Heaters

Section Code 1465 : Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.

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WRAS Approval Number: 1612800

`Advance Plus & Inovia` ranges of wall mounted gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurized central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to the domestic hot water and primary are controlled via spherical valves. The combination boiler is supplied with a temporary filling loop which incorporates a spherical valve with double check valve on the domestic water connection and a stainless steel flexible hose to another spherical valve on the primary connection of the boiler. Maximum working pressure - 2.5 Bar (Primary Circuit). Maximum working pressure - 10 Bar (Secondary Circuit). Maximum operating temperature 99°C (CH) & 60°C (DHW). Maximum boiler input 35 kW.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1612800
  • Expiry date: 31/12/2021
  • Note: Supplied with a temporary filling loop.
  • Size: Secondary: ½” BSP (M). Primary: ¾” BSP (M)
  • Marking: Biasi and Biasi logo dial on front casing. BSG Caldaie A Gas Srl name and address, model no., serial no., maximum working pressure of primary and other technical information on data label located on left inside panel.
  • Installation Requirements R001
  • Proviso: A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Advanced Plus 25C ERP, Advanced Plus 30C ERP & Advanced Plus 35C ERP. Inovia 25C ERP, Inovia 30C ERP & Inovia 35C ERP.
  • Factor: BSG Caldaie a Gas Srl.
    Company Name
    BSG Caldaie a Gas Srl.
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WRAS Approval Number: 1610802

Range of wall mounted condensing boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Maximum working pressure of the primary system 2.5 bar. Maximum supply pressure of the domestic hot water 10.0 bar. Maximum operating temperature 82°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1610802
  • Expiry date: 31/10/2021
  • Size: 22mm compression – Primary, 15mm compression – Secondary
  • Marking: Worcester on front. Worcester, model, serial No and technical information on adhesive label inside case.
  • Installation Requirements R001 R140 R360
  • Model
    7-733-600-056 Greenstar 36CDi Compact ErP 7-733-600-059 Greenstar 36CDi Compact ErP LPG 7-733-600-055 Greenstar 32CDi Compact ErP 7-733-600-058 Greenstar 32CDi Compact ErP LPG 7-733-600-054 Greenstar 28CDi Compact ErP 7-733-600-057 Greenstar 28CDi Compact ErP LPG 7-733-600-050 Greenstar 25Si Compact ErP 7-733-600-051 Greenstar 25Si Compact ErP LPG 7-733-600-052 Greenstar 30Si Compact ErP 7-733-600-053 Greenstar 30Si Compact ErP LPG 7-733-600-085 Worcester 533 Compact ErP 7-733-600-086 Worcester 535 Compact ErP
  • Factor: Bosch Thermotechnology Ltd
    Company Name
    Bosch Thermotechnology Ltd
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WRAS Approval Number: 1609362

Gas fired wall mounted condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. The product incorporates an expansion vessel and pressure relief valve preset at 3.0 bar. The supplies to the domestic hot water and primary are controlled via spherical valves, and some models are supplied with filling loop. Maximum working pressure of the primary is 2.5 bar.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1609362
  • Expiry date: 30/09/2021
  • Size: ¾” bsp (m) Primary & Secondary
  • Marking: Brand name and logo on front casing. Brand and tech info on adhesive label
  • Installation Requirements R001 R140 R360
  • Model
    Brand “Glow worm” ESSENTIAL 24c -A (H-GB) EASICOM 2 24c -A (H-GB) ESSENTIAL 28c -A (H-GB) EASICOM 2 28c -A (H-GB) HOME 25c -A (H-GB) HOME 30c -A (H-GB) HOME 35c -A (H-GB) ULTIMATE 2 30c -A (H-GB)* ULTIMATE 2 35c -A (H-GB)* ENERGY 25c -A (H-GB)* ENERGY 30c -A (H-GB)* ENERGY 35c -A (H-GB)* SUSTAIN 25c -A (H-GB) SUSTAIN 30c -A (H-GB) SUSTAIN 35c -A (H-GB) PROCOMBI ESSSENTIAL 24c -A (P-GB) PROCOMBI ESSSENTIAL 24c -A (H-GB) BETACOM 4 24c -A (H-GB)* EASICOM 3 24c -A (H-GB) PROCOMBI ESSSENTIAL 28c -A (H-GB) EASICOM 3 28c -A (H-GB) BETACOM 4 30c (H-GB)* ULTIMATE 3 30c -A (H-G*B) PROCOMBI ESSSENTIAL 35c -A (H-GB) ULTIMATE 3 35c -A (H-GB)* BETACOM 3 24c (H-GB) BETACOM 3 30c (H-GB) Brand “Vaillant HOME COMBI 25(H-GB)* VUW 256/6-3 (H-GB) ecoFIT pure 825* HOME COMBI 30 (H-GB)* HOME COMBI 35 (H-GB)* VUW 306/6-3 (H-GB) ecoFIT pure 830* VUW 356/6-3 (H-GB) ecoFIT pure 835* VUW 256/6-3 (H-GB) ecoFIT sustain 825 VUW 306/6-3 (H-GB) ecoFIT sustain 830 VUW 306/6-3 (P-GB) ecoFIT pure 830 P* VUW 356/6-3 (H-GB) ecoFITsustain 835 Brand “Heatline” Capriz 2 24c -A (H-GB) Monza 2 24c -A (H-GB) Capriz 2 28c -A (H-GB) Monza 2 28c -A (H-GB) Items marked* are supplied with filling loop. As of February 2020 the following models codes have changed: ENERGY 25c -A (H-GB)* to ENERGY7 25c -A (H-GB)* ENERGY 30c -A (H-GB)* to ENERGY7 30c -A (H-GB)* ENERGY 35c -A (H-GB)* to ENERGY7 35c -A (H-GB)*
  • Factor: Vaillant Industrial UK Ltd
    Company Name
    Vaillant Industrial UK Ltd
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  • Manufacturer: Vaillant GmbH
    Company Name
    Vaillant GmbH
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WRAS Approval Number: 1612326

Greenstar range of indirect heat interface units providing heating and instantaneous hot water. The heating system incorporates an expansion vessel and pressure relief valve (set at 3.0 bar). The inlets and outlets are controlled via spherical valves. Maximum working pressure district heating 10.0 bar. Maximum working pressure space heating 2.5 bar. Maximum working pressure secondary hot water 10.0 bar. Maximum operating temperature 80°C. Maximum heat output 35kW and 50kW.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1612326
  • Expiry date: 31/12/2021
  • Size: Primary ¾” BSP (F) Secondary ¾” (M)
  • Marking: Worcester on front. Worcester, model, address, serial number and tech info on data label.
  • Installation Requirements R001 R140 R360
  • Model
    7-733-600-134: Greenstar HIU KE plus with Heat Meter, 7-733-600-135: Greenstar HIU KE Plus, 7-733-600-136: Greenstar HIU E plus with Heat Meter, 7-733-600-137: Greenstar HIU E plus, 7-733-600-138: Greenstar HIU E with Heat Meter, 7-733-600-139: Greenstar HIU E, 7-733-600-140: Greenstar HIU with Heat Meter & 7-733-600-141: Greenstar HIU.
  • Manufacturer: Bosch Thermotechnology Ltd
    Company Name
    Bosch Thermotechnology Ltd
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WRAS Approval Number: 1612349

Range of indirect heat interface units providing heating and instantaneous hot water. The hot water is generated via a plate heat exchanger and incorporates a pressure temperature control valve and a thermostatic blending valve. The heating is provided via a plate heat exchanger and the circuit incorporates an expansion vessel and expansion relief valve (3.0 bar). Products are supplied with a filling loop. Maximum working pressure primary 10.0 bar. Maximum working pressure space heating 2.5 bar. Maximum working pressure secondary hot water 10.0 bar. Maximum operating temperature 95°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1612349
  • Expiry date: 31/12/2021
  • Size: Primary ¾” BSP (F) Secondary 3/4” (M)
  • Marking: Dutypoint, model and tech info on data plate
  • Installation Requirements R001
  • Model
    IN5-25-P-2 to IN15-75-P-HZT2 IN5-25-P-U2 to IN15-75-P-HUZT2
  • Factor: Dutypoint Ltd
    Company Name
    Dutypoint Ltd
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WRAS Approval Number: 1704318

Range of wall hung, gas-fired condensing combination boilers, providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an integral expansion vessel and pressure relief valve (pre-set at 3.0 bar). The supplies to both domestic hot water and primary are controlled via spherical valves. From April 2018, each of these products may be supplied with an Easy Fill keyless filling link (intended for topping up the central heating system). Maximum operating temperature of primary 95°C. Maximum operating temperature of secondary 70°C. Maximum working pressure of the primary circuit is 2.5 bar & maximum supply pressure to the secondary circuit is 8.0 bar.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1704318
  • Expiry date: 30/04/2022
  • Note: Models Baxi 624 Combi & Baxi 630 Combi are supplied with a temporary filling loop. Models Potterton Assure 25 Combi & Potterton Assure 30 Combi are not supplied with a temporary filling loop. Filling loops are to be installed with appropriate backflow prevention device and in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: ½” BSP (M) – Secondary & ¾” BSP (M) – Primary.
  • Marking: Potterton Assure 25 Combi & Potterton Assure 30 Combi: Potterton on dial face. Assure combi and serial no on plate flap attached to front casing. Models added March 2019: MAIN Eco Compact on front case. Baxi 624 Combi & Baxi 630 Combi: Baxi on front. Model & technical information on adhesive label on plate flap attached to front casing. Models Added May 2018: Potterton or Baxi (dependant on model) & technical information on label inside cover. Potterton models also have Potterton on front casing. Models added August 2019: Baxi on front. Model & technical information on adhesive label on plate flap attached to front casing. Models added August 2020: Baxi on front. Model & technical information on adhesive label on plate flap attached to front casing.
  • Installation Requirements R001 R140 R360
  • Model
    Potterton Assure 25 Combi – 7658129. Potterton Assure 30 Combi – 7658130. Models added June 2017: Baxi 624 Combi – 7682101. Baxi 630 Combi – 7682194. Models Added May 2018: Potterton Assure 36 Combi – 7692619. Baxi 636 Combi – 7691350. Potterton Assure 25 Combi LPG – 7703806. Potterton Assure 30 Combi LPG – 7703807. Potterton Assure 36 Combi LPG – 7703842. Baxi 624 Combi LPG – 7703803. Baxi 630 Combi LPG – 7703804. Baxi 636 Combi LPG – 7703805. Models added March 2019: MAIN Eco Compact 25 Combi – 7714519. MAIN Eco Compact 30 Combi – 7714161. Models added August 2019: Baxi 825 Combi – 7732189. Baxi 836 Combi – 7731874. Baxi 830 Combi – 7731705. Models added August 2020: Baxi Assure 25 Combi - 7750736 Baxi Assure 25 Combi - LPG 7750792 Baxi Assure 30 Combi - 7750790 Baxi Assure 30 Combi - LPG 7750793 Baxi Assure 36 Combi - 7750791 Baxi Assure 36 Combi - LPG 7703842
  • Manufacturer: Baxi Heating UK Limited
    Company Name
    Baxi Heating UK Limited
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WRAS Approval Number: 1704075

‘ecoTEC’ range of wall hung gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. Maximum working pressure of the primary circuit is 2.5 bar and the maximum supply pressure to the secondary circuit is 10.0 bar. Maximum operating temperature for the secondary circuit is 65˚C. Maximum operating temperature for the primary circuit is 85˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1704075
  • Expiry date: 30/04/2022
  • Size: Secondary circuit: 15mm compression inlet and outlet connections. Primary circuit: 22mm compression flow and return connections.
  • Marking: Vaillant badge on front cover. Vaillant, model number and technical information on label on underside of the boiler.
  • Installation Requirements R001 R140 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    VUW 246/7-2 (H-GB) ecoTEC pure 24, VUW 286/7-2 (H-GB) ecoTEC sustain 28, VUW 246/7-2 (H-GB) ecoTEC sustain 24, VUW 286/7-2 (H-GB) ecoTEC pure 28, VUW 346/7-2 (H-GB) ecoTEC pure 34 & VUW 346/7-2 (H-GB) ecoTEC sustain 34.
  • Factor: Protherm Production s.r.o.
    Company Name
    Protherm Production s.r.o.
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  • Manufacturer: Vaillant GmbH
    Company Name
    Vaillant GmbH
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WRAS Approval Number: 1706300

Range of wall mounted gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system, which incorporates an expansion vessel and a pressure relief valve set at 3.0 bar. The supplies to the domestic hot water and primary heating circuits are controlled via spherical valves. The inlet includes a temporary filling loop assembly which incorporates a double check valve assembly (suitable for backflow protection against Fluid Cateogry 3) & plastic filter. Maximum working pressure of the primary is 2.5 bar. Maximum supply pressure of the secondary circuit is 8.0 bar. Maximum operating temperature 65°C. Maximum boiler input 40Kw.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1706300
  • Expiry date: 30/06/2022
  • Size: ½” BSP (M) Secondary. ¾” BSP (M) Primary.
  • Marking: Baxi models: Baxi and range name on front casing. Data label on face hidden behind front casing with the following information: Baxi, manufacturer, manufacturers address, model no., serial no. and technical info. Potterton models: Potterton and range name on front casing. Data label on face hidden behind front casing with the following information: Potterton, manufacturer, manufacturers address, model no., serial no. and technical info.
  • Installation Requirements R001 R140 R360
  • Proviso: Supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Baxi Platinum 24 Combi ErP (7219449) Baxi Platinum 28 Combi ErP (7219450), Baxi Platinum 33 Combi ErP (7219451), Baxi Platinum 40 Combi ErP (7219452), Baxi Duo-tec 24 Combi ErP (7219413), Baxi Duo-tec 28 Combi ErP (7219414), Baxi Duo-tec 33 Combi ErP (7219415), Baxi Duo-tec 40 Combi ErP (7219416), Baxi Duo-tec 28 LPG Combi ErP (7219417), Potterton Promax 24 Combi ErP (7219453), Potterton Promax 28 Combi ErP (7219455), Potterton Promax 33 Combi ErP (7219456), Potterton Gold 24 Combi ErP (7219427), Potterton Gold 28 Combi ErP (7219428), Potterton Gold 33 Combi ErP7 7219429), Potterton Gold 28 LPG Combi ErP (7219430), Potterton Titanium 24 Combi ErP (7219493), Potterton Titanium 28 Combi ErP (7219494), Potterton Titanium 33 Combi ErP (7219495), Potterton Titanium 40 Combi ErP (7219496), Baxi EcoBlue Advance 24 Combi ErPD (7219515), Baxi EcoBlue Advance 28 Combi ErPD (7219516), Baxi EcoBlue Advance 33 Combi ErPD (7219517), Baxi EcoBlue Advance 40 Combi ErPD (7219518), Potterton Promax Ultra 24 Combi ErP (7223762), Potterton Promax Ultra 28 Combi ErP (7223763), Potterton Promax Ultra 33 Combi ErP (7223764), Potterton Promax Ultra 40 Combi ErP (7223765). Model added August 2019: Platinum +40 Combi (7731616).
  • Factor: Baxi Heating UK Ltd.
    Company Name
    Baxi Heating UK Ltd.
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  • Manufacturer: Baxi Spa
    Company Name
    Baxi Spa
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WRAS Approval Number: 1706326

Range of wall hung gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. Supplied with a temporary filling loop. Maximum working pressure of the primary circuit is 2.5 bar and the maximum supply pressure to the secondary circuit is 10.0 bar. Maximum operating temperature for the secondary circuit is 65˚C. Maximum operating temperature for the primary circuit is 85˚C

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1706326
  • Expiry date: 30/06/2022
  • Note: Not supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: ¾” BSP (M) Primary and secondary
  • Marking: Vaillant & Green iQ on front. Vaillant near dial face Model near dial. Technical information on adhesive label.
  • Installation Requirements R001
  • Model
    Article number 0010017064 VUW 356/5-7 (H-GB) ecoTEC exclusive 835, packaged with mounting kit VUW (0020232999). Article number 0010017065 VUW 436/5-7 (H-GB) ecoTEC exclusive 843, packaged with mounting kit VUW (0020232999).
  • Factor: Vaillant GmbH
    Company Name
    Vaillant GmbH
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  • Manufacturer: Vaillant Industrial UK Ltd
    Company Name
    Vaillant Industrial UK Ltd
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WRAS Approval Number: 1707341

Wall mounted gas fired condensing combination boiler providing domestic hot water via a plate heat exchanger and pressurised central heating system, which incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to and from the domestic hot water and primary heating circuits are controlled via spherical valves, (secondary circuit (DHW): 15mm compression x ½” BSP captive nut spherical valves. Primary circuit: 22mm compression x ¾” BSP captive nut spherical valves). Maximum working pressure of the primary circuit 2.5 bar. Maximum supply pressure of secondary circuit is 9.0 bar. Maximum operating temperature 65°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1707341
  • Expiry date: 31/07/2022
  • Size: ½” BSP (M) Secondary. ¾” BSP (M) Primary.
  • Marking: Ferroli on front. Ferroli, Ferroli address, model, serial number and other tech info on data label within case on side panel.
  • Installation Requirements R001 R140 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    FERROLI I25 & FERROLI I29
  • Factor: Ferroli Ltd
    Company Name
    Ferroli Ltd
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WRAS Approval Number: 1707361

Range of wall mounted gas fired condensing instantaneous water heaters providing domestic hot water via internal stainless steel coils with a hot water circulation pump. The unit incorporates a pressure relief valve set at 10.0 bar, a single check valve cartridge (suitable for backflow protection against fluid category 2) installed prior to the safety relief valve, and a second (optional) single check valve cartridge (suitable for backflow protection against fluid category 2) inserted into the bypass cartridge when the product is sold for use with a recirculation loop (secondary hot water return). Maximum operating temperature 75°C. Maximum supply pressure of the domestic hot water is 9.5 bar.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1707361
  • Expiry date: 31/07/2022
  • Note: Discharge to drain must be via a type AA, AB or AD air gap or in accordance with EN1717.
  • Size: ¾” BSP (M) inlet x 1” BSP (M) outlet.
  • Marking: Cosmogas on face. Model, pressure and other technical information on adhesive label on the side panel.
  • Installation Requirements R001 R140
  • Proviso: WRAS Approval - Solar heating system components. “Compliance with the relevant requirements of the Water Supply (Water Fittings) Regulations 1999 has been assessed for this product only as a component of a heating system. If it is to be installed a s part of a system using solar energy or ground - or air - source heat pumps for pre-heating water which is to be used as domestic hot water, the Water Fittings Regulation place a legal duty on the installer and user to ensure that the installation and operation of the complete system prevents contamination of domestic hot water by Legionella bacteria, which can grow in water stored at temperatures between 20°C and 45°C. Where disinfection by heating is relied on to meet this obligation, information on minimum conditions for thermal disinfection of legionella bacteria can be found on the WRAS website - www.wras.co.uk
  • Model
    Aguadens 16, Aguadens 22 & Aguadens 37.
  • Manufacturer: Cosmogas Srl
    Company Name
    Cosmogas Srl
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WRAS Approval Number: 1707393

Wall mounted gas fired condensing combination boiler providing domestic hot water via a plate heat exchanger and pressurised central heating system, which incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to and from the domestic hot water and primary heating circuits are controlled via spherical valves, (secondary circuit (DHW): 15mm compression x ½” BSP captive nut spherical valves. Primary circuit: 22mm compression x ¾” BSP captive nut spherical valves). Maximum working pressure of the primary circuit 2.5 bar. Maximum supply pressure of secondary circuit is 9.0 bar. Maximum operating temperature 65°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1707393
  • Expiry date: 31/07/2022
  • Size: ½” BSP (M) Secondary. ¾” BSP (M) Primary.
  • Marking: Eurotherm and Model on front casing Technical infomation on label on underside of body
  • Installation Requirements R001 R140 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    EUROTHERM E25 & EUROTHERM E29
  • Factor: Ferroli Ltd
    Company Name
    Ferroli Ltd
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WRAS Approval Number: 1710113

Range of gas fired, wall hung, combination boilers, providing domestic hot water via a plate heat exchanger and pressurised central heating system incorporating an expansion vessel and pressure relief valve pre-set at 3.0 bar. Maximum working pressure of the primary circuit is 2.5 bar and the maximum secondary pressure is 10.0 bar. Maximum operating temperature for the direct hot water is 65˚C and the central heating circuit is 85˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1710113
  • Expiry date: 31/10/2022
  • Note: Not supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: 1” Captive Nut – 22mm Compression. 1” Captive Nut – 15mm Compression. 22mm – 15mm Gas Connection.
  • Marking: Vaillant on front of boiler, Vaillant, model and technical information on adhesive label on underside of boiler.
  • Installation Requirements R001 R140 R360
  • Model
    VUW 306/5-5 (H-GB) - ecoTEC plus 835. VUW 196/5-5 (H-GB) - ecoTEC plus 825. VUW 246/5-5 (H-GB) - ecoTEC plus 832. VUW 246/5-5 (P-GB) - ecoTEC plus 832. VUW 286/5-5 (H-GB) - ecoTEC plus 838. VUW 246/5-3 (H-GB) - ecoTEC pro 24. VUW 286/5-3 (H-GB) - ecoTEC pro 28. VUW 286/5-3 (P-GB) - ecoTEC pro 28. VUW GB 266/5-3 A - ecoTEC 26H combi A. VUW GB 306/5-3 - ecoTEC pro 30H combi A.
  • Factor: Vaillant GmbH
    Company Name
    Vaillant GmbH
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  • Manufacturer: Vaillant Industrial UK Ltd
    Company Name
    Vaillant Industrial UK Ltd
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WRAS Approval Number: 1711323

Range of wall hung gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The units are supplied with a temporary filling loop. Maximum working pressure of the primary circuit is 2.5 bar and the maximum supply pressure to the secondary circuit is 6 bar. Maximum operating temperature for the secondary circuit is 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1711323
  • Expiry date: 30/11/2022
  • Size: Primary 22mm compression, Secondary 15mm compression.
  • Marking: Vokera (By Riello) & model on front cover.
  • Installation Requirements R001
  • Model
    Compact 25A & 29A. Excel 25 & 29. Easi-Heat Plus 25C & 29C. Maxim 25 & Maxim 29. Vision 25C & Vision 30C.
  • Factor: Vokera Ltd.
    Company Name
    Vokera Ltd.
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WRAS Approval Number: 1801805

Range of wall mounted gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurized central heating system, which incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to the domestic hot water and primary are controlled via spherical valves. The inlet includes a temporary filling loop assembly. The inlet valve to the domestic hot water circuit incorporates a double check valve assembly (suitable for backflow protection against Fluid Category 3) on the outlet to the filling loop for the primary circuit. The mains cold inlet incorporates a plastic flow regulator. Maximum working pressure of the primary is 2.5 bar. Maximum supply pressure of domestic hot water 10.0 bar. Maximum boiler output 40Kw. Maximum operating temperature 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1801805
  • Expiry date: 31/01/2023
  • Size: ½” BSP (M) - Secondary. ¾” BSP (M) - Primary.
  • Marking: Ideal Vogue on front. Manufacturer, model, serial number and other technical data on inside of case.
  • Installation Requirements R001
  • Proviso: The filling loop supplied must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Ideal Vogue c40 Gen 2, Ideal Vogue c32 Gen2 & Ideal Vogue c26 Gen2.
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1801806

Range of wall mounted gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurized central heating system, which incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to the domestic hot water and primary are controlled via spherical valves. The inlet includes a temporary filling loop assembly. The inlet valve to the domestic hot water circuit incorporates a double check valve assembly (suitable for backflow protection against Fluid Category 3) on the outlet to the filling loop for the primary circuit. The mains cold inlet incorporates a plastic flow regulator. Maximum working pressure of the primary is 2.5 bar. Maximum supply pressure of domestic hot water 10.0 bar. Maximum boiler output 40Kw. Maximum operating temperature 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1801806
  • Expiry date: 31/01/2023
  • Size: ½” BSP (M) - Secondary. ¾” BSP (M) - Primary.
  • Marking: Ideal on front cover. Model on inside of flap on front cover.
  • Installation Requirements R001
  • Proviso: The filling loop supplied must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Ideal Vogue C26IE GEN2, Ideal Vogue C32IE GEN2 & Ideal Vogue C40IE GEN2
  • Factor: Ideal Boilers Ltd
    Company Name
    Ideal Boilers Ltd
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WRAS Approval Number: 1712060

Range of wall mounted gas fired combination boilers providing domestic hot water (via plate heat exchanger) and pressurised central heating system. The primary circuit incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The products incorporate a CAB keyless re-filling assembly (suitable for backflow prevention against Fluid Category 3), intended for top up of the central heating system. Maximum working pressure of the primary circuit is 2.5 bar, and the secondary is 10.0 bar. Maximum operating temperature 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1712060
  • Expiry date: 31/12/2022
  • Size: Primary - 15mm Compression Fittings Secondary - 22mm compression Fittings.
  • Marking: Worcester on front of boiler, model and technical info on label on body.
  • Installation Requirements R001
  • Model
    Worcester Greenstar 29CDI Classic, Worcester Greenstar 34CDI Classic, Worcester Greenstar 38CDI Classic & Worcester Greenstar 42CDI Classic.
  • Factor: Worcester Bosch Group
    Company Name
    Worcester Bosch Group
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WRAS Approval Number: 1801319

Wall hung gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The product is supplied with an isolation valve for the domestic hot water inlet, as well as the primary inlet and outlet, and a 90 degree elbow for the domestic hot water outlet. Maximum working pressure of the primary circuit is 2.5 bar. Maximum supply pressure to the secondary circuit is 6 bar. Maximum operating temperature for the primary circuit is 75˚C. Maximum operating temperature for the secondary circuit is 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1801319
  • Expiry date: 31/01/2023
  • Size: Secondary: 15mm compression (M). Primary: 22mm compression (M).
  • Marking: Sime and Sime logo on front cover.
  • Installation Requirements R001 R140 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Murelle one HE 25 Model added March 2019: Murelle one HE 30
  • Manufacturer: Fonderie Sime SpA
    Company Name
    Fonderie Sime SpA
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WRAS Approval Number: 1802303

Range of wall mounted, gas fired, combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system. The products incorporating an integral expansion vessel and pressure relief valve set at 3.0 bar. Maximum working pressure of secondary (DHW) circuit 10.0 bar. Maximum working pressure of the primary circuit (CH) 2.5 bar. Maximum operating temperature secondary circuit (DHW) is 60°C and for the primary circuit is 80°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1802303
  • Expiry date: 28/02/2023
  • Size: Primary: 22mm compression & Secondary: 15mm compression.
  • Marking: Warmhaus and logo on front panel.
  • Installation Requirements R001 R360
  • Model
    Priwa 24, Priwa Plus 24, Enerwa 24, Enerwa Plus 24, Enerwa 2530 C, Enerwa Plus 2530 C, Priwa 28, Priwa Plus 28, Enerwa 28, Enerwa Plus 28, Enerwa 3035 C, Enerwa Plus 3035 C, Priwa 33, Priwa Plus 33, Enerwa 33, Enerwa Plus 33, Enerwa 3540 C & Enerwa Plus 3540 C.
  • Manufacturer: Warmhaus Isitma VE Sogutma Sistemleri Sanayi Ticaret A.S.
    Company Name
    Warmhaus Isitma VE Sogutma Sistemleri Sanayi Ticaret A.S.
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WRAS Approval Number: 1802087

‘Daikin’ range of gas fired wall hung combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. Maximum working pressure of the primary circuit is 2.5 bar and the maximum secondary pressure is 10.0bar. Maximum operating temperature for the direct hot water is 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1802087
  • Expiry date: 28/02/2023
  • Note: Not supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: Primary: ¾” BSP Inlet and Outlet. Secondary: ½” BSP Inlet and Outlet.
  • Marking: Daikin on casing, model and technical information on adhesive label on side of boiler.
  • Installation Requirements R001 R140 R360
  • Model
    D2CND024, D2CND028 & D2CND035.
  • Factor: DAIKIN Isitma ve Sogutma Sistemleri San.Tic. A.S.
    Company Name
    DAIKIN Isitma ve Sogutma Sistemleri San.Tic. A.S.
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WRAS Approval Number: 1801368

Range of wall mounted gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurized central heating system, which incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to the domestic hot water and primary are controlled via spherical valves. The inlet includes a temporary filling loop assembly. The inlet valve to the domestic hot water circuit incorporates a double check valve assembly (suitable for backflow protection against Fluid Category 3) on the outlet to the filling loop for the primary circuit. The mains cold inlet incorporates a plastic flow regulator. Maximum working pressure of the primary is 2.5 bar. Maximum supply pressure of domestic hot water 10.0 bar. Maximum boiler output 40Kw. Maximum operating temperature 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1801368
  • Expiry date: 31/01/2023
  • Size: ½” BSP (M) - Secondary. ¾” BSP (M) - Primary.
  • Marking: Ideal on front cover
  • Installation Requirements R001
  • Proviso: The filling loop supplied must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Vogue Max Combi 26, 32 & 40.
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1806350

Wall mounted gas fired condensing combination boiler providing domestic hot water via a plate heat exchanger and pressurized central heating system. The product incorporates a hydroblock assembly comprising of a plate heat exchanger, flow regulator, a circulating pump and pressure relief valve set at 3.0 bar for the primary circuit. The product also incorporates an expansion vessel on the primary circuit. The supplies to the domestic hot water and primary are controlled via spherical valves. Maximum working pressure 2.5 Bar (Primary Circuit). Maximum working pressure 7.0 Bar (Secondary Circuit). Maximum operating temperature 85°C (CH) & 60°C (DHW).

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1806350
  • Expiry date: 30/06/2023
  • Size: Primary: 22mm compression. Secondary: 15mm compression.
  • Marking: SIME & SIME logo on front cover. Technical information on adhesive data label inside cover.
  • Proviso: Not supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Murelle Pro HE 35 MKII
  • Manufacturer: Fonderie Sime SpA
    Company Name
    Fonderie Sime SpA
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WRAS Approval Number: 1806352

Range of wall mounted gas fired condensing combination boilers providing domestic hot water via a stainless-steel plate head exchanger and pressurised central heating system incorporating a pressure relief valve set at 3.0 bar and an expansion vessel. The product is supplied with isolation valves for both the secondary circuit and primary circuit inlets and outlets. Maximum working pressure of the primary and secondary circuit is 2.5 bar. Maximum operating temperature for the secondary circuit is 60˚C. Cold supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1806352
  • Expiry date: 30/06/2023
  • Size: Secondary: ½” BSP (M). Primary: ¾” BSP (M).
  • Marking: Biasi and other technical information on face of boiler and inside cover.
  • Installation Requirements R001 R140 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Advance 25C, Advance 30C & Advance 35C.
  • Factor: BSG Caldaie a Gas Srl.
    Company Name
    BSG Caldaie a Gas Srl.
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WRAS Approval Number: 1807334

‘SATK 32’ range of indirect heat interface units providing instantaneous hot water. Domestic hot water is provided via a plate heat exchanger and this circuit incorporates a flow detector, stainless-steel filter and water hammer arrestor. The primary/space heating circuit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel. Maximum working pressure of the domestic hot water circuit is 10.0 bar. Maximum working pressure of the primary circuit is 16.0 bar. Maximum working pressure of the space heating circuit is 2.5 bar. Maximum operating temperature 90°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1807334
  • Expiry date: 31/07/2023
  • Size: ¾” BSP (M)
  • Marking: Caleffi and Caleffi logo on face of unit. Caleffi and Caleffi logo, model number and technical information on data plate inside cover.
  • Installation Requirements R001 R140 R360
  • Model
    SATK32103 (50kW) & SATK32105 (60kW). Model added March 2021: SATK32107 (75kW)
  • Manufacturer: Caleffi S.p.A
    Company Name
    Caleffi S.p.A
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WRAS Approval Number: 1809303

Indirect thermostatically controlled heat interface unit (HIU) providing heating and instantaneous hot water. The space heating is provided via a plate heat exchanger and the circuit incorporates an expansion vessel and expansion relief valve (pre-set at 3.0 bar). The unit incorporates a water hammer arrestor and a filling loop kit which includes a combined isolation valve and double check valve assembly, verified by test (suitable for backflow protection against Fluid Category 3), a stainless steel braided EPDM lined hose and isolation valve. Inlets and outlet for all circuits incorporate isolation valves. Maximum working pressure primary 16.0 bar. Maximum working pressure space heating 2.5 bar. Maximum working pressure secondary hot water 10.0 bar. Maximum operating temperature 90°C (primary circuit). DHW circuit 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1809303
  • Expiry date: 30/09/2023
  • Size: ¾” BSP (F)
  • Marking: Vital Energi, model, pressure, temp and other technical information inside back plate. Sharky and technical information on face of unit.
  • Installation Requirements R001 R140 R360
  • Model
    Vital Energi vTherm Indirect Hydraulic Interface Unit
  • Factor: Vital Energi Utilities Limited
    Company Name
    Vital Energi Utilities Limited
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WRAS Approval Number: 1807322

Dual stage indirect heat interface unit with instant hot water and central heating system with a stainless steel two plate heat exchanger system in parallel for the primary and series for the secondary hot water. Hot water is produced via heat from a centralised heating system (not supplied). The unit incorporates a safety relief valve set at 3.0 bar and an expansion vessel on the central heating circuit, and a Y-pattern strainer on the primary inlet side. Maximum working pressures: 10.0 bar primary supply, 10.0 bar domestic hot water, 2.5 bar secondary heating circuit. Maximum working temperatures: 85°C primary supply and 60°C domestic hot water.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1807322
  • Expiry date: 31/07/2023
  • Size: 75 & 100kW models: Central heating - ¾” BSP (M). Primary inlet - 1” BSP (M). MCW/DHW - ¾” BSP (M). 125 & 150kW models: Central heating - ¾” BSP (M). Primary inlet - 1¼” BSP (M). MCW/DHW - 1” BSP (M).
  • Marking: Elco on front face
  • Installation Requirements R001 R140 R360
  • Model
    Nexus Dual stage interface units - 75kW, 100kW,125kW, 150kW
  • Factor: Elco Heating Solutions Limited
    Company Name
    Elco Heating Solutions Limited
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WRAS Approval Number: 1807356

Indirect heat interface units providing heating and instantaneous hot water. The hot water is generated via a plate heat exchanger and incorporates a pressure reducing valve and a thermostatic blending valve. The (secondary) space heating is provided via a plate heat exchanger and the circuit incorporates an expansion vessel and expansion relief valve (3.0 bar). Maximum working pressure space heating 10.0 bar. Maximum working pressure space heating 2.5 bar. Maximum working pressure secondary hot water 5.0 bar. Maximum operating temperature domestic hot water 80°C. Maximum operating temperature (district heating and space heating) 95°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1807356
  • Expiry date: 31/07/2023
  • Size: ¾” Captive nut & ¾” BSP(F) inlet valve
  • Marking: Reliance Water Controls on face of unit. Model code on adhesive label on rear mounting panel.
  • Installation Requirements R001 R140 R360
  • Model
    RTIU707004 & RTIU707005
  • Manufacturer: Reliance Worldwide Corporation (UK) Limited
    Company Name
    Reliance Worldwide Corporation (UK) Limited
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WRAS Approval Number: 1812336

Range of wall mounted, gas fired, combination boiler providing domestic hot water via a plate heat exchanger and a pressurised central heating system. The product includes a pressure relief valve (set at 3.0 bar). Maximum working pressure of the secondary circuit is 7.0 bar, whilst for the primary circuit is 2.5 bar. Maximum operating temperature of the secondary circuit is 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1812336
  • Expiry date: 31/12/2023
  • Size: 15mm compression (Primary) & 22mm compression (Secondary).
  • Marking: Sime, Sime logo & Murelle Revolution on front cover Sime, Sime logo, model & other technical information on side panel data plate
  • Installation Requirements R001 R140 R360
  • Proviso: The filling loop supplied must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Murelle Revolution 30
  • Manufacturer: Fonderie Sime SpA
    Company Name
    Fonderie Sime SpA
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WRAS Approval Number: 1901355

Range of wall mounted combination boilers providing domestic hot water via a heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and an expansion vessel. Maximum working pressure of 2.5 bar (primary) & 10.0 bar (secondary). Maximum operating temperature 70°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901355
  • Expiry date: 31/01/2024
  • Size: ½” BSP (M) inlet x ½” BSP (M) outlet ¾” BSP (M) inlet x ¾” BSP (M) outlet
  • Marking: Wolf on dial face and front cover. Wolf, model and other technical information on adhesive label on underside of appliance.
  • Installation Requirements R001 R360
  • Model
    FGB-K-28 Art. 8614819 (28kW) & FGB-K-35 Art. 8614821 (35kW)
  • Manufacturer: Wolf GmbH
    Company Name
    Wolf GmbH
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WRAS Approval Number: 1901379

Range of gas fired boilers providing domestic hot water via a stainless-steel plate heat exchanger or heating depending on the application. Maximum working pressure 8.0 bar. Maximum operating temperature 90˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901379
  • Expiry date: 31/01/2024
  • Size: DN65
  • Marking: Elco on front cover. Elco, Date plate, model, and technical information on back panel.
  • Installation Requirements R001 R140
  • Model
    Elco range : Trigon XL 150 IP Trigon XL 200 IP Trigon XL 250 IP Trigon XL 300 IP Trigon XL 400 IP Trigon XL 500 IP Trigon XL 570 IP Rendamax : R601 EVO IP R602 EVO IP R603 EVO IP R604 EVO IP R605 EVO IP R606 EVO IP R607 EVO IP
  • Manufacturer: Elco B.V.
    Company Name
    Elco B.V.
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WRAS Approval Number: 1901385

Range of wall mounted gas fired condensing instantaneous water heaters. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901385
  • Expiry date: 31/01/2024
  • Size: ½” BSP(M)
  • Marking: Vanward logo, model, maximum pressure and other technical information on side panel. Vanward logo on face of unit.
  • Installation Requirements R001 R140
  • Model
    JSG20-10ST28 JSG10ST-S25 JSG10ST-S23 JSG10ST-S25(B) JSQ20-10ST28 JSQ10ST-S25 JSQ10ST-S23 JSG22-11ST28 JSG11ST-S25 JSG11ST-S23 JSG11ST-S25(B) JSQ22-11ST28 JSQ11ST-S25 JSQ11ST-S23 JSG24-12ST28 JSG12ST-S25 JSG12ST-S23 JSG12ST-S25(B) JSQ24-12ST28 JSQ12ST-S25 JSQ12ST-S23 JSG20-10ST27 JSG10ST-S21 JSG10ST-S24 JSQ10ST-S25(A) JSQ20-10ST27 JSQ10ST-S21 JSQ10ST-S24 JSG22-11ST27 JSG11ST-S21 JSG11ST-S24 JSQ11ST-S25(A) JSQ22-11ST27 JSQ11ST-S21 JSQ11ST-S24 JSG24-12ST27 JSG12ST-S21 JSG12ST-S24 JSQ12ST-S25(A) JSQ24-12ST27 JSQ12ST-S21 JSQ12ST-S24 JSG20-10ST29 JSG10ST-S22 JSG10ST-S25(A) JSQ10ST-S25(B) JSQ20-10ST29 JSQ10ST-S22 JSG22-11ST29 JSG11ST-S22 JSG11ST-S25(A) JSQ11ST-S25(B) JSQ22-11ST29 JSQ11ST-S22 JSG24-12ST29 JSG12ST-S22 JSG12ST-S25(A) JSQ12ST-S25(B) JSQ24-12ST29 JSQ12ST-S22 JSG28-14ST28 JSG14ST-S25 JSG14ST-S23 JSG14ST-S25(B) JSQ28-14ST28 JSQ14ST-S25 JSQ14ST-S23 JSG30-16ST28 JSG16ST-S25 JSG16ST-S23 JSG16ST-S25(B) JSQ30-16ST28 JSQ16ST-S25 JSQ16ST-S23 JSG31-17ST28 JSG17ST-S25 JSG17ST-S23 JSG17ST-S25(B) JSQ31-17ST28 JSQ17ST-S25 JSQ17ST-S23 JSG28-14ST27 JSG14ST-S21 JSG14ST-S24 JSQ14ST-S25(A) JSQ28-14ST27 JSQ14ST-S21 JSQ14S-S24 JSG30-16ST27 JSG16ST-S21 JSG16ST-S24 JSQ16ST-S25(A) JSQ30-16ST27 JSQ16ST-S21 JSQ16ST-S24 JSG31-17ST27 JSG17ST-S21 JSG17ST-S24 JSQ17ST-S25(A) JSQ31-17ST27 JSQ17ST-S21 JSQ17ST-S24 JSG28-14ST29 JSG14ST-S22 JSG14ST-S25(A) JSQ14ST-S25(B) JSQ28-14ST29 JSQ14ST-S22 JSG30-16ST29 JSG16ST-S22 JSG16ST-S25(A) JSQ16ST-S25(B) JSQ30-16ST29 JSQ16ST-S22 JSG31-17ST29 JSG17ST-S22 JSG17ST-S25(A) JSQ17ST-S25(B) JSQ31-17ST29 JSQ17ST-S22 JSW44-22ST58 JSW22HT-W81 JSW22HT-W82 JSW22HT-W83 JSW22HT-W84 JSW52-26ST58 JSW26HT-W81 JSW26HT-W82 JSW26HT-W83 JSW26HT-W84 Where a typical code is: JSG28-14ST28: JSG14ST-S25: JSG=balance type gas water heater JSG=balance type gas water heater 28=nominal heat input(kW) 14=volume 14=volume ST=structure platform ST28=the type of casing S25=the type of casing JSG14ST-S25(B) JSQ28-14ST28 JSG=balance type gas water heater JSQ=forces exhaust type gas water 14=volume 28=nominal heat input(kW) ST=structure platform 14=volume S25(B)=the type of casing ST28=the type of casing JSQ14ST-S25: JSQ14ST-S25(B) JSQ=forces exhaust type gas water JSQ=forces exhaust type gas wate 14=volume 14=volume ST=structure platform ST=structure platform S25=the type of casing S25 =the type of casing JSW44-22ST58: JSW22HT-W81: JSW=outdoor type gas water heater JSW=outdoor type gas water heater 44=nominal heat input(kW) 22 =volume 22=volume HT=structure platform ST58=the type of casing W81=the type of casing
  • Manufacturer: Guangdong Vanward New Electric Co. Ltd.
    Company Name
    Guangdong Vanward New Electric Co. Ltd.
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WRAS Approval Number: 1901055

Range of wall hung, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to both domestic hot water and primary are controlled via spherical valves except the domestic hot water outlet. The primary circuit can be filled via a built in CAB device, verified by test (suitable for backflow protection against Fluid Category 3). Primary circuit: Maximum working pressure 2.5 bar. Maximum operating temperature 82°C. Secondary circuit: Maximum working pressure 10.0 bar. Maximum operating temperature 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901055
  • Expiry date: 31/01/2024
  • Note: The discharge from the relief outlet port of the CAB device must be made via a type AA, AB or AD air gap, or in accordance with EN 1717. Claims of flow rate are made by the manufacturer and not considered part of the listing.
  • Size: Secondary: 15mm compression inlet/outlet. Primary: 22mm compression inlet/outlet.
  • Marking: Worcester on label on the front panel. Serial and model numbers on adhesive label on bottom side of the unit.
  • Installation Requirements R001
  • Model
    Worcester Greenstar 8000 Style GR8700iW 50 C (50 kW, 20 plate heat exch., 15 l/min). Worcester Greenstar 8000 Style GR8700iW 45 C (45 kW, 18 plate heat exch., 15 l/min). Worcester Greenstar 8000 Style GR8700iW 40 C (40 kW, 18 plate heat exch., 14 l/min). Worcester Greenstar 8000 Style GR8700iW 35 C (35 kW, 16 plate heat exch., 13 l/min). Worcester Greenstar 8000 Style GR8700iW 30 C (30 kW, 14 plate heat exch., 11 l/min). Worcester Greenstar 8000 Life GR8300iW 50 C (50 kW, 20 plate heat exch., 15 l/min). Worcester Greenstar 8000 Life GR8300iW 45 C (45 kW, 18 plate heat exch., 15 l/min). Worcester Greenstar 8000 Life GR8300iW 40 C (40 kW, 18 plate heat exch., 14 l/min). Worcester Greenstar 8000 Life GR8300iW 35 C (35 kW, 16 plate heat exch., 13 l/min). Worcester Greenstar 8000 Life GR8300iW 30 C (30 kW, 14 plate heat exch., 11 l/min).
  • Factor: Worcester Bosch Group
    Company Name
    Worcester Bosch Group
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WRAS Approval Number: 1901386

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901386
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: Ideal Logic, combi C35 on front cover. Logic, Ideal, Combi 35 and other technical information on data plate
  • Installation Requirements R001 R140
  • Model
    Logic combi C 24, Logic + Combi C24, Logic combi C 30, Logic + Combi C30, Logic combi C 35, Logic + Combi C35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901388

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901388
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL CLASSIC ON FRONT COVER. IDEAL CLASSIC & TECHNICAL INFORMATION ON DATA ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    IDEAL CLASSIC 24, IDEAL CLASSIC 30 & IDEAL CLASSIC 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901389

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901389
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: I-MINI & MODEL ON FRONT COVER. IDEAL I-MINI & TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    I-MINI C24 & I-MINI C30
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901390

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901390
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: MODEL, ON FRONT COVER. MODEL, I-COMBI & TECNICAL INFORMATION ON DATA ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    I COMBI 24, I-COMBI 30 & I-COMBI 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901391

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901391
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, EXCLUSIVE AND MODEL ON COVER. IDEAL, EXCLUSIVE, MODEL AND TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    IDEAL EXCLUSIVE 24, IDEAL EXCLUSIVE 30 & IDEAL EXCLUSIVE 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901392

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901392
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, ESPRIT ECO & MODEL ON COVER. IDEAL, ESPRIT ECO, MODEL & OTHER TECHNICAL INORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    ESPRIT ECO 24, ESPRIT ECO 30 & ESPRIT ECO 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901393

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901393
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: INDEPENDENT, IDEAL AND MODEL ON COVER IDEAL, INDEPENDENT COMBI, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY.
  • Installation Requirements R001 R140
  • Model
    INDEPENDENT COMBI 24, INDEPENDENT COMBI 30 & INDEPENDENT COMBI 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901394

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901394
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL ON FRONT COVER. IDEAL INDEPENDENT + COMBI, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    INDEPENDENT + COMBI 24, INDEPENDENT + COMBI 30 & INDEPENDENT+ COMBI 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901395

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901395
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL ON FRONT COVER. IDEAL, INSTINCT, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    IDEAL INSTINCT 24, IDEAL INSTINCT 30 & IDEAL INSTINCT 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901396

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901396
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, LOGIC, COMBI, ESPI & MODEL ON FRONT COVER. IDEAL, LOGIC COMBI, ESP1, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    LOGIC COMBI ESP1 24, LOGIC COMBI ESP1 30 & LOGIC COMBI ESP1 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901397

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901397
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: MORCO ON FRONT COVER. MORCO, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    MORCO SERIES II GB24 LPG, MORCO SERIES II GB30LPG
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901398

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901398
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL ON FRONT COVER. IDEAL LOGIC MAX, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    LOGIC MAX COMBI C 24, LOGIC MAX COMBI C 30 & LOGIC MAX COMBI C 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901399

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901399
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL LOGIC ON FRONT COVER. IDEAL LOGIC COMBI, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    LOGIC COMBI C24IE, LOGIC COMBI C30IE & LOGIC COMBI C35IE
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901400

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901400
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: KESTON ON FRONT COVER. KESTON COMBI, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY
  • Installation Requirements R001 R140
  • Model
    KESTON COMBI C30 & KESTON COMBI C35
  • Factor: Keston Boilers Ltd
    Company Name
    Keston Boilers Ltd
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WRAS Approval Number: 1901401

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901401
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: ZANUSSI ULTRA + COMBI & MODEL ON FRONT COVER. ZANUSSI ULTRA + COMBI, MODEL & OTHER TECHNICAL INFORMATION ON ADHESIVE LABEL ON BODY.
  • Installation Requirements R001 R140
  • Model
    ZANUSSI ULTRA + COMBI 30 & ZANUSSI ULTRA + COMBI 35
  • Factor: European AG Distribution Ltd. t/a Zanussi Boilers
    Company Name
    European AG Distribution Ltd. t/a Zanussi Boilers
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WRAS Approval Number: 1901409

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901409
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, ESPRIT ECO² & MODEL ON FRONT COVER IDEAL, ESPRIT ECO², MODEL & TECHNICAL INFORMATION ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    Esprit Eco² 24, Esprit Eco² 30 & Esprit Eco² 35 COMBINATION BOILER
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901410

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901410
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, SERIES III PROPANE & MODEL ON FRONT COVER. IDEAL, SERIES III, MODEL & TECHNICAL INFORMATION ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    IDEAL, SERIES III PROPANE GB24 & IDEAL SERIES III PROPANE GB30
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901411

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901411
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: I² & MODEL ON FRONT COVER I² COMBI, IDEAL, MODEL & TECHNICAL INFORMATION ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    I² COMBI 24, I² COMBI 30 & I² COMBI 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901412

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901412
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, INSTINCT² & MODEL ON FRONT COVER IDEAL, INSTINCT² MODEL & TECHNICAL INFORMATION ON DATAPLATE
  • Installation Requirements R001 R140
  • Model
    IDEAL INSTINCT ² 24, IDEAL INTINCT² 30 & IDEAL INSTINCT ² 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901413

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901413
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, CLASSIC² & MODEL ON FRONT COVER IDEAL, CLASSIC², MODEL & TECHNICAL INFORMATION ON DATAPLATE
  • Installation Requirements R001 R140
  • Model
    IDEAL CLASSIC² 24, IDEAL CLASSIC² 30 & IDEAL CLASSIC² 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901414

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901414
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: IDEAL, EXCLUSIVE² & MODEL ON FRONT COVER IDEAL, EXCLUSIVE², MODEL ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    IDEAL EXCLUSIVE² 24, IDEAL EXCLUSIVE² 30 & IDEAL EXCLUSIVE² 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901416

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901416
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: MORCO SERIES III PROPANE & MODEL ON FRONT COVER. MORCO SERIES III, PROPANE, MODEL & TECHNICAL INFORMATION ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    MORCO SERIES III GB24 PROPANE & MORCO SERIES III GB30 PROPANE
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901417

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901417
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: MORCO SERIES III & MODEL ON FRONT COVER. MORCO SERIES III, MODEL & TECHNICAL INFORMATION ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    Logic combi C 24, Logic + Combi C24, Logic combi C 30, Logic + Combi C30, Logic combi C 35, Logic + Combi C35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1905007

EMAS range of combination boilers with instant hot water and central heating system with a stainless-steel plate heat exchanger. Hot water is produced via heat from a centralised heating system (not supplied). The unit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel on the central heating circuit. The inlet and outlet of the primary and secondary circuits fitted with isolation valves. Maximum working pressure: primary circuit 2.5 bar & secondary circuit 10.0 bar. Maximum operating temperature: primary circuit 70˚C & secondary circuit 50˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1905007
  • Expiry date: 31/05/2024
  • Size: Primary: ¾” BSP (M) inlet and outlet. Secondary: ½” BSP (M) inlet and outlet.
  • Marking: E.C.A (manufacturer’s brand), model and technical information on adhesive label on side of boiler. E.C.A logo on front of boiler.
  • Installation Requirements R001 R360
  • Model
    Proteus Premix 24 HM Proteus Premix 28 HM Proteus Premix 30 HM Proteus Premix 35 HM
  • Manufacturer: Emas Makina Sanayi A.S.
    Company Name
    Emas Makina Sanayi A.S.
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WRAS Approval Number: 1906341

Range of wall mounted gas fired combination boilers providing domestic hot water and pressurised central heating via a plate heat exchanger. Maximum working pressure 3.0 bar (primary) and 8.0 bar (secondary). Maximum operating temperature 90°C. Cold water supply only

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1906341
  • Expiry date: 30/06/2024
  • Note: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999. No safety valve for the primary circuit is included with this product
  • Size: 15mm copper tails (secondary). 22mm copper tails (primary).
  • Marking: Daikin, address, model No., pin No. and year of manufacture (YYYY) on data plate on base of boiler
  • Installation Requirements R001 R140 R360
  • Model
    EHY2KOMB28AA, EHY2KOMB32AA
  • Factor: Daikin Europe NV.
    Company Name
    Daikin Europe NV.
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WRAS Approval Number: 1907322

Range of gas fired instantaneous condensing domestic hot water heaters with integral storage tank. Having a stainless-steel coil and built in circulating pump. Maximum working pressure 11.0 bar. Maximum operating temperature 80°C

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1907322
  • Expiry date: 31/07/2024
  • Size: 1½” BSP (M)
  • Marking: Cosmogas on front casing. Cosmogas, production date (YYYY) and other technical information on adhesive label on side of body
  • Installation Requirements R001 R140
  • Model
    Aguaplus 60, 70, 100, 115, 140
  • Manufacturer: Cosmogas Srl
    Company Name
    Cosmogas Srl
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WRAS Approval Number: 1901426

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901426
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: ATLANTIC & MODEL ON FRONT COVER. ATLANTIC, MODEL & OTHER TECHNICAL INFORMATION ON DATA PLATE
  • Installation Requirements R001 R140
  • Model
    Atlantic 24, Atlantic 30 & Atlantic 35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1909008

Range of wall mounted, gas fired combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. The primary circuit incorporates an expansion vessel and a pressure relief valve set at 3.0 bar. The secondary circuit incorporates a strainer and plastic flow regulator. The boilers are supplied with straight spherical valves. Maximum working pressure of primary circuit is 2.5 bar and of secondary circuit is 10.0 bar. Maximum operating temperature of primary circuit is 85°C and of secondary circuit is 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1909008
  • Expiry date: 30/09/2024
  • Size: Primary circuit: 22mm compression inlet and outlet (to spherical valves). Secondary circuit: 15mm compression inlet and outlet (to spherical valves).
  • Marking: Ravenheat on front cover.
  • Installation Requirements R001 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the water supply (Water Fittings) Regulations 1999.
  • Model
    Brand model prefix CSI Type boiler ref.: 85 AAA(T) 780 series, 120 (T), 150 (T). Brand model prefix CS or WH Type boiler ref.: 80(T) & 90 (T). Brand model prefix HE Type boiler ref.: 32, 42, 25ErP, 80ErP, 90ErP, 98ErP, 25C, 30C, 35C, 40C, 80, 98, 80S, 98S, 120S, 140S, BP31 HE. HE 25 C, HE 80 S, HE 80 S Compact, HE 25 S Compact, HE 25 C Compact, HE 25 CN Compact, HE 30 C, HE 98 S, HE 98 S Compact, HE 30 S Compact, HE 30 C Compact, HE 30 CN Compact, HE 35 C, HE 120 S, HE 120 S Compact, HE 35 S Compact, HE 35 C Compact, HE 35 CN Compact, HE 40 C, HE 140 S, HE 140 S Compact , HE 40 S Compact, HE 40 C Compact, HE 40 CN Compact. Brand model prefix HE System or CN System Type boiler ref.: 25C, 30C, 35C, 40C, 80S, 98S, 120S, 140S, 3,20ErP, 4,24ErP. HE 80 S System, HE 25 C Compact System, HE 25 S Compact System, HE 80 S Compact System, HE 80 CN Compact System, HE 98 S System, HE 30 C Compact System, HE 30 S Compact System, HE 98 S Compact System , HE 98 CN Compact System, HE 120 S System, HE 35 C Compact System, HE 35 S Compact System, HE 120 S Compact System, HE 120 CN Compact System, HE 140 S System , HE 40 C Compact System, HE 40 S Compact System, HE 140 S Compact System, HE 140 CN Compact System. Brand model prefix CS or WH Type boiler ref.: 3,20 & 4,24. Brand model prefix CSI Type boiler ref.: Primary & Primary Low Nox. Brand model prefix HE Regular Type boiler ref.: 3,20ErP & 4,24ErP.
  • Factor: Ravenheat Manufacturing Ltd
    Company Name
    Ravenheat Manufacturing Ltd
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  • Manufacturer: Ravenheat International Srl.
    Company Name
    Ravenheat International Srl.
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WRAS Approval Number: 1910338

Electronically controlled Heat interface units (HIU) with twin stainless-steel plate heat exchangers providing space heating and instantaneous hot water. The cold inlet supply to the plate heat exchanger incorporates an isolation valve, in line single check valve assembly, (suitable for backflow protection against Fluid Category 2) and and water hammer arrestor. The space heating circuit incorporates an expansion vessel and a pressure relief valve (set at 3.0 bar). The product is supplied with a filling loop comprising of an in-line double check valve assembly (suitable for backflow protection against Fluid Category 3), which incorporates an isolation valve, a stainless-steel braided EPDM lined flexible hose assembly. The inlet and outlet of all circuits incorporates a lever operated spherical valves with brass bodies. Maximum working pressures and operating temperatures: Primary: 16.0 bar and 90˚C. Domestic hot water (DHW): 10.0 bar and 60˚C. Secondary (space heating): 2.5 bar and 90˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1910338
  • Expiry date: 31/10/2024
  • Note: Supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: ¾” BSP (F) inlet/outlet on all circuits.
  • Marking: Vtherm on front.
  • Installation Requirements R001
  • Model
    Vital Energi vTherm
  • Factor: Vital Energi Utilities Limited
    Company Name
    Vital Energi Utilities Limited
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WRAS Approval Number: 1910339

Range of wall mounted combination boilers providing domestic hot water via a heat exchanger and pressurised central heating system.Incorporating a pressure relief valve set at 3.0 bar and an expansion vessel. Maximum working pressure of 2.5 bar (primary) & 7.0 bar (secondary). Cold supply only. Maximum operating temperature 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1910339
  • Expiry date: 31/10/2024
  • Size: Secondary – inlet ½” BSP(M) & 15mm copper tail outlet. Primary – 22mm copper tail.
  • Marking: Cosmogas on front of boiler.
  • Installation Requirements R001 R360
  • Proviso: Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Mydens 34P, Q30P & Mydens 24P
  • Manufacturer: Cosmogas Srl
    Company Name
    Cosmogas Srl
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WRAS Approval Number: 1912804

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system, incorporating a pressure relief valve set at 3.0 bar and expansion vessel. The domestic cold water inlet incorporate a ½” BSP(M) brass body spherical valve. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating outlet temperature (DHW) 85°C. Maximum inlet temperature (DHW) 60°C

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1912804
  • Expiry date: 31/12/2024
  • Note: Not supplied with a temporary filling loop. A temporary filling loop must be installed in accordance with G.24 of the Water Supply (Water Fittings) Regulations 1999
  • Size: 22mm compression (primary) 15mm compression (secondary)
  • Marking: Worcester (Brand of Bosch) on front panel, Model No, other tech info on a data label on the inside panel
  • Installation Requirements R001 R360
  • Model
    Greenstar 30i ErP Greenstar 30i ErP LPG Greenstar 25i ErP Greenstar 25i ErP LPG
  • Manufacturer: Bosch Thermotechnology Ltd
    Company Name
    Bosch Thermotechnology Ltd
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WRAS Approval Number: 1911013

Viessmann range of combination boilers with instant hot water and central heating system with a plate heat exchanger. The unit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel on the central heating circuit. The secondary circuit (DHW) consists of a flow restrictor and a copper filling loop. Maximum working pressure 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 85°C

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1911013
  • Expiry date: 30/11/2024
  • Size: ¾” BSP (m) (primary) & ½” BSP (m) (secondary).
  • Marking: Viessmann and Vitodenns100 on front of boiler. Viessmann, Vitodenns100W, technical information, pressures on adhesive label on top of boiler
  • Installation Requirements R001 R140 R360
  • Model
    Viessmenn Vitodens 100-W B1KC 26kW Combi. Viessmenn Vitodens 100-W B1KC 30kW Combi. Viessmenn Vitodens 100-W B1KC 35kW Combi
  • Manufacturer: Viessmann Ltd
    Company Name
    Viessmann Ltd
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WRAS Approval Number: 1911035

GLOWWORM range of combination boilers with instant hot water, and central heating system with a stainless steel plate heat exchanger. The unit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel on the central heating circuit. The secondary circuit (DHW) consists of a strainer. Maximum working pressure: Heating Circuit 3.0 bar. Domestic Hot Water Circuit 10.0 bar Maximum working temperature: Heating Circuit 75˚C. Domestic Hot Water Circuit 55˚C

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1911035
  • Expiry date: 30/11/2024
  • Size: 15mm Compression inlet and outlet of the domestic/secondary circuit. 22mm Compression inlet and outlet of the space heating/primary circuit.
  • Marking: GLOWWORM on front of unit, MicraCom 28c-AS/1(H-GB) and technical info including temp and pressure on adhesive label on top of unit.
  • Installation Requirements R001 R140 R360
  • Model
    MicraCom 24c-AS/1(H-GB). MicraCom 28c-AS/1(H-GB). Enza 24c-AS/1(H-GB). Enza 28c-AS/1(H-GB). Models added January 2021: 0010040105 : Compact 24c-AS/1 (H-GB) 0010040106 : Compact 28c-AS/1 (H-GB) 0010040107 : Compact 24c-AS/1 (P-GB) 0010040108 : Compact 28c-AS/1 (P-GB)
  • Factor: Vaillant Group - Saunier Duval Eau Chaude Chauffage Industrie
    Company Name
    Vaillant Group - Saunier Duval Eau Chaude Chauffage Industrie
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WRAS Approval Number: 1905089

PREMIX range of combination boilers with instant hot water and central heating system with a stainless-steel plate heat exchanger. Hot water is produced via heat from a centralised heating system (not supplied). The unit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel on the central heating circuit. The inlet and outlet of the primary and secondary circuits fitted with isolation valves. Maximum working pressure: primary circuit 2.5 bar & secondary circuit 10.0 bar. Maximum operating temperature: primary circuit 70˚C & secondary circuit 50˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1905089
  • Expiry date: 31/05/2024
  • Size: Primary: ¾” BSP (M) inlet and outlet. Secondary: ½” BSP (M) inlet and outlet.
  • Marking: E.C.A (manufacturer’s brand), model and technical information on adhesive label on side of boiler. E.C.A logo on front of boiler.
  • Installation Requirements R001 R360
  • Model
    PROTEUS PREMIX 14 HM, PROTEUS PREMIX 20 HM, CONFEO PREMIX 14 HM, CONFEO PREMIX 20 HM, CONFEO PREMIX 24 HM, CONFEO PREMIX 28 HM, CONFEO PREMIX 30 HM & CONFEO PREMIX 35 HM
  • Factor: Emas Makina Sanayi A.S.
    Company Name
    Emas Makina Sanayi A.S.
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WRAS Approval Number: 1901429

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901429
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: LOGIMAX COMBI & MODEL ON FRONT COVER IDEAL LOGIC COMBI, MODEL & TECHNICAL INFORMATION ON DATAPLATE INSIDE COVER
  • Installation Requirements R001 R140
  • Model
    LOGIC MAX COMBI C24IE, LOGIC MAX COMBI C30IE & LOGIC MAX COMBI C35IE
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1801807

Range of wall mounted gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurized central heating system, which incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to the domestic hot water and primary are controlled via spherical valves. The inlet includes a temporary filling loop assembly. The inlet valve to the domestic hot water circuit incorporates a double check valve assembly (suitable for backflow protection against Fluid Category 3) on the outlet to the filling loop for the primary circuit. The mains cold inlet incorporates a plastic flow regulator. Maximum working pressure of the primary is 2.5 bar. Maximum supply pressure of domestic hot water 10.0 bar. Maximum boiler output 40Kw. Maximum operating temperature 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1801807
  • Expiry date: 31/01/2023
  • Size: ½” BSP (M) - Secondary. ¾” BSP (M) - Primary.
  • Marking: VOGUE MAX COMBI & MODEL ON FRONT COVER IDEAL, VOGUEMAX, MODEL & TECHNICAL INFORMATION ON DATAPLATE ON INSIDE COVER.
  • Installation Requirements R001
  • Proviso: The filling loop supplied must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    VOGUE MAX COMBI 26IE, VOGUE MAX COMBI 32IE & VOGUE MAX COMBI 40IE
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901431

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve set at 3.0 bar and expansion vessel. Maximum working pressure of 2.5 bar (primary) and 10.0 bar (secondary). Maximum operating temperature 65°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901431
  • Expiry date: 31/01/2024
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: Ideal Logic, combi & model on front cover. Ideal, Logic Combi 35 and other technical information on data plate
  • Installation Requirements R001 R140
  • Model
    Logic combi C 24, Logic + Combi C24, Logic combi C 30, Logic + Combi C30, Logic combi C 35, Logic + Combi C35
  • Factor: Ideal Boilers
    Company Name
    Ideal Boilers
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WRAS Approval Number: 1901432

SV Range of wall mounted gas fired condensing instantaneous water heaters. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1901432
  • Expiry date: 31/01/2024
  • Size: ½” BSP(M)
  • Marking: BIASI ON FRONT COVER BIASI, MODEL & TECHNICAL INFORMATION ON SIDE PANEL
  • Installation Requirements R001 R140
  • Model
    SV14S SV12S SV16S
  • Factor: BIASI UK LTD
    Company Name
    BIASI UK LTD
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WRAS Approval Number: 1711375

Range of wall hung gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The units are supplied with a temporary filling loop. Maximum working pressure of the primary circuit is 2.5 bar and the maximum supply pressure to the secondary circuit is 6 bar. Maximum operating temperature for the secondary circuit is 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1711375
  • Expiry date: 30/11/2022
  • Size: Primary 22mm compression, Secondary 15mm compression.
  • Marking: Vokera (By Riello) & model on front cover.
  • Installation Requirements R001
  • Model
    COMPACT 32A & EASI-HEAT PLUS 32Ci COMBINATION BOILERS
  • Factor: Vokera Ltd.
    Company Name
    Vokera Ltd.
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WRAS Approval Number: 2001301

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. The primary circuit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel. The products are supplied with a temporary filling loop which incorporates a combined isolation valve and double check valve assembly (suitable for backflow protection against Fluid Category 3), stainless steel braided EPDM lined flexible hose assembly and an isolation valve. The secondary circuit (DHW) incorporates a plastic flow restrictor The primary circuit incorporates isolation valves on the flow and return. Maximum working pressure of secondary circuit is 6.0 bar. Maximum working pressure of primary circuit is 2.5 bar. Maximum operating temperature 60°C. Cold water supply only.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2001301
  • Expiry date: 31/01/2025
  • Size: 15mm compression (secondary). 22mm compression (primary).
  • Marking: Vokera by Riello on face. Vokera, model, pressure and other technical information on inside of cover.
  • Installation Requirements R001 R140
  • Proviso: The filling loop supplied must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Model
    Evolve 24c, 28c, 32c, 36c & 42c
  • Factor: Vokera Ltd.
    Company Name
    Vokera Ltd.
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WRAS Approval Number: 2001363

Electronically controlled heat interface units (HIU) with twin stainless-steel plate heat exchangers providing space heating and instantaneous hot water. The cold inlet supply to the plate heat exchanger incorporates an isolation valve, in line single check valve assembly, (suitable for backflow protection against Fluid Category 2) and a water hammer arrestor. The space heating circuit incorporates an expansion vessel and a pressure relief valve (set at 3.0 bar). The product is supplied with a filling loop comprising of an in-line double check valve assembly (suitable for backflow protection against Fluid Category 3), which incorporates an isolation valve, a stainless-steel braided EPDM lined flexible hose assembly and an isolation valve. The inlet and outlet of all circuits incorporates lever operated spherical valves with brass bodies. Maximum working pressures and operating temperatures: Primary: 16.0 bar and 90˚C. Domestic hot water (DHW): 10.0 bar and 60˚C. Secondary (space heating): 2.5 bar and 90˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2001363
  • Expiry date: 31/01/2025
  • Note: Supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: ¾” BSP (F) inlet/outlet on all circuits.
  • Marking: V Therm on face of unit. Data label, Model, Vital Energi, pressure, date of manufacture (YYYY-MM) and other technical information on adhesive label on rear panel inside the appliance.
  • Installation Requirements R001
  • Model
    Vital Energi vTherm°h Hybrid Indirect Hydraulic Interface Unit with Insulated Casing.
  • Factor: Vital Energi Utilities Limited
    Company Name
    Vital Energi Utilities Limited
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WRAS Approval Number: 2011037

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve and expansion vessel. Primary circuit has a maximum working pressure of 3.5 bar and operating temperature of 85°C. Secondary circuit has a maximum working pressure of 10.0 bar and operating temperature of 60°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2011037
  • Expiry date: 30/11/2025
  • Note: A filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: ½” BSP male inlet and outlet (DHW). ¾” BSP male inlet and outlet (CH).
  • Marking: Lukey on adhesive label on front.
  • Installation Requirements R001 R140
  • Model
    Lukey solution HE (18kW CH & 26kW DHW). Lukey solution HE+ (18kW CH & 26kW DHW). Lukey solution HES+ (18kW CH & 26kW DHW). Lukey solution CBU (18kW CH & 26kW DHW). Beginning February 2021 the models will be named: Lukey 28 HE (18kW CH & 26kW DHW). Lukey 28 HE+ (18kW CH & 26kW DHW). Lukey 28 HES+ (18kW CH & 26kW DHW). Lukey 28 CBU (18kW CH & 26kW DHW).
  • Manufacturer: Lukey Cassette Boilers (UK) Ltd.
    Company Name
    Lukey Cassette Boilers (UK) Ltd.
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WRAS Approval Number: 2011033

RINNAI range of wall mounted combination boilers.The unit incorporates a stainless-steel plate heat exchanger pressure relief valve set at 3.0 bar and an expansion vessel on the primary circuit. Maximum working pressure of primary circuit is 2.5 bar and secondary circuit is 10.0 bar. Maximum operating temperature 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2011033
  • Expiry date: 30/11/2025
  • Note: Not supplied with a temporary filling loop. The filling loop must be installed with the appropriate backflow prevention device in accordance with clause G24.2, Guidance to the Water Supply (Water Fittings) Regulations 1999.
  • Size: Primary circuit: ¾” (M) BSP inlet and outlet. Secondary circuit: ½” (M) BSP inlet and outlet
  • Marking: Rinnai on front. Rinnai, model and technical information on adhesive label on side of unit.
  • Installation Requirements R001 R140 R360
  • Model
    ZEN i24 Combi Boiler – REB-KBI2424FF. ZEN i29 Combi Boiler – REB-KBI2929FF. ZEN i34 Combi Boiler – REB-KBI3535FF.
  • Factor: Rinnai UK Ltd
    Company Name
    Rinnai UK Ltd
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WRAS Approval Number: 1711377

Range of wall hung gas fired condensing combination boilers providing domestic hot water via a plate heat exchanger and a pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The units are supplied with a temporary filling loop. Maximum working pressure of the primary circuit is 2.5 bar and the maximum supply pressure to the secondary circuit is 6 bar. Maximum operating temperature for the secondary circuit is 60˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 1711377
  • Expiry date: 30/11/2022
  • Size: Primary 22mm compression, Secondary 15mm compression.
  • Marking: Vokera (By Riello) & model on front cover.
  • Installation Requirements R001
  • Model
    EASI-HEAT PLUS 25Ci & 29Ci RANGE OF COMBINATION BOILERS
  • Factor: Vokera Ltd.
    Company Name
    Vokera Ltd.
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WRAS Approval Number: 2012051

Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system, incorporating a pressure relief valve set at 3.0 bar and expansion vessel on the primary circuit. The inlet of the replenishing valve between the primary and secondary circuits incorporate a plastic strainer. Maximum working pressure 2.5 bar (primary) and 6.0 bar (secondary). Maximum operating temperature 85˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2012051
  • Expiry date: 31/12/2025
  • Note: Please note that the inlet pipework connects to the flow sensor, no fittings or valves prior to this are supplied. Not supplied with a temporary filling loop. A filling loop must be installed with the appropriate backflow prevention device in accordance with Schedule 2 paragraph 7 of the Water Supply (Water Fittings) Regulations 1999.
  • Size: ½” BSP (M) inlet and outlet Secondary Circuit. ½” BSP (M) replenishing valve. ¾” BSP(M) inlet and outlet primary circuit.
  • Marking: Strom on front of body. Model and technical info on adhesive label on side of body.
  • Installation Requirements R001 R140 R360
  • Model
    Strom E range comprising of models: SBSP7C, SBSP11C & SBSP15C. SBTP18C, SBTP21C & SBTP24C. The number in model indicates kW rating.
  • Factor: STROM LTD
    Company Name
    STROM LTD
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WRAS Approval Number: 2101042

LCB700 range of internal and external oil-fired condensing combination boilers providing domestic hot water and pressurised central heating via a plate heat exchanger. The products are supplied with a temporary filling loop which incorporates a combined isolation valve and double check valve assembly (suitable for backflow protection against Fluid Category 3), stainless steel braided EPDM lined flexible hose assembly and an isolation valve. The primary (space heating) circuit incorporates an expansion vessel and a pressure relief valve (set at 3.0 bar). Operating parameters: Primary (space heating) circuit: Maximum working pressure 2.5 Bar. Maximum operating temperature 105°C. Secondary (DHW) circuit: Maximum working pressure 10.0 Bar. Maximum operating temperature 85°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2101042
  • Expiry date: 31/01/2026
  • Size: Primary (space heating) circuit: 22mm pushfit. Secondary (DHW) circuit: 15mm pushfit.
  • Marking: Navien, model and technical information on adhesive label on rear of front cover.
  • Installation Requirements R001 R140 R360 R430
  • Model
    Internal: LCB700-21LC. LCB700-28LC. LCB700-36LC. External: LCB700-21LCX. LCB700-28LCX. LCB700-36LCX
  • Factor: KD Navien Co Ltd
    Company Name
    KD Navien Co Ltd
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WRAS Approval Number: 2011358

Range of heat interface units (HIU) with either twin or single stainless steel copper brazed plate heat exchangers (depending on model) providing heating and hot water (twin unit) hot water only, or heating only. The hot water is generated via a plate heat exchanger. The primary (space heating) circuit incorporates an expansion vessel and a pressure relief valve (set at 3.0 bar). The product incorporates a CAb backflow prevention device (suitable for backflow protection against Fluid Category 3) for filling the heating circuit. The inlet and outlet of all circuits incorporate a lever operated spherical valve. Maximum working pressures and operating temperatures: Primary (district heating): 10.0 bar and 85˚C. Domestic hot water (DHW): 10.0 bar and 60˚C. Secondary (space heating): 2.5 bar and 80˚C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2011358
  • Expiry date: 30/11/2025
  • Size: 22mm solder fitting
  • Marking: Albion water management, model and other tech info on data label on the side panel.
  • Installation Requirements R001 R140
  • Model
    [Twin Unit]: Standard Twin Plate – heating with 24 plates and hot water with either 14 or 40 plates. Heating connection to cold water by filling loop. Products: TH000240 MTA TWIN 24-40 TH000214 MTA TWIN 24-14 TH001240 MTA TWIN 24-40 HM TH001214 MTA TWIN 24-14 HM [Hot Water Only]: Hot water with either 14 or 40 plates, connection direct to cold water. Products: TH000414 MTA HOT WATER ONLY 00-14 TH000440 MTA HOT WATER ONLY 00-40 TH001414 MTA HOT WATER ONLY 00-14 HM TH001440 MTA HOT WATER ONLY 00-40 HM [Heating Only]: Heating with 40 plates on domestic heating circuit only, connection to cold water via filling loop. Products: TH000340 MTA HEATING ONLY 40-00 TH001340 MTA HEATING ONLY 40-00 HM ‘HM’ stands for heat meter which is on the heating circuit
  • Manufacturer: Albion Water Management
    Company Name
    Albion Water Management
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WRAS Approval Number: 2107804

Ranges of wall hung, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system incorporating an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to both domestic hot water and primary are controlled via spherical valves. Products are supplied with a rigid filling loop or keyless filling link. Maximum working pressure of the primary circuit is 2.5 bar & maximum supply pressure of the secondary circuit is 8.0 bar. Cold water supply only. Maximum operating temperature 95°C.

  • Section: 1465 Heaters
  • Section Subtitle: Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
  • WRAS Approval Number: 2107804
  • Expiry date: 31/07/2026
  • Note: The rigid filling loop assembly incorporates a double check valve assembly (verified by test as suitable for backflow protection against fluid category 3). The keyless filling link incorporates a CAB backflow prevention device (verified by test as suitable for backflow protection against fluid category 3). The discharge from the relief outlet port of this device must be made via a type AA, AB or AD air gap, or in accordance with EN 1717.
  • Size: Primary: 28mm compression. Secondary: 15mm compression.
  • Marking: Baxi on front of boiler.
  • Installation Requirements R001 R140 R360
  • Model
    Baxi 224 Combi (product code 7656160). Baxi 228 Combi (7656161). Baxi 424 Combi (7656162). Baxi 428 Combi (7656163). Baxi 428 Combi LPG (7676760).
  • Factor: Baxi Heating UK Ltd.
    Company Name
    Baxi Heating UK Ltd.
    View All Listings by this Company
  • Manufacturer: Baxi Spa
    Company Name
    Baxi Spa
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