Worcester Bosch Approvals


#2111310

Hydraulic block assembly comprising a flow sensor, primary pump assembly, pressure relief valve preset at 3.0 bar and plate heat exchanger. Maximum working pressures: secondary = 10.0 bar and primary = 2.5 bar. Maximum operating temperature 80°C.

Section:
1478 Heater
Section Subtitle:
Combination boilers - accessories and components.
WRAS Approval Number:
2111310
Size:
Primary: ¾” captive nut. Secondary: ½” captive nut
Marking:
Bosch, model number and WRAS approved on adhesive label on circulating pump.
Installation Requirements:
R001
Expiry date:
30/11/2026
Model:
8 718 687 771
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#2111311

Range of wall hung, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger. The pressurised central heating system incorporates 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. The primary circuit has a maximum working pressure of 2.5 bar. The secondary circuit has maximum working pressure of 10.0 bar. Maximum supply temperature is 60°C. Maximum operating temperature of secondary 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:
2111311
Size:
Primary: 22mm compression inlet/outlet. Secondary: 15mm compression.
Marking:
Worcester and Worcester logo on front of boiler.
Installation Requirements:
R001
Expiry date:
30/11/2026
Model:
7-733-600-371: Greenstar 4000 25 Combi NG. 7-733-600-372: Greenstar 4000 25 Combi LPG. 7-733-600-373: Greenstar 4000 30 Combi NG. 7-733-600-374: Greenstar 4000 30 Combi LPG.
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Bosch Thermotechnology Ltd. Bosch Thermotechnik GmbH. Bosck Termoteknik Sanayu ve Ticaret A.S.
Company Name
Bosch Thermotechnology Ltd. Bosch Thermotechnik GmbH. Bosck Termoteknik Sanayu ve Ticaret A.S.
Address
General Email

View All Listings by this Company

Print This Approval


#2110320

Range of wall hung, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressure relief valve set at 3.0 bar. The supplies to both primary hot water and secondary are controlled via spherical valves. The boilers incorporate a filling loop assembly which incorporates a double check valve assembly (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:
2110320
Size:
22mm compression
Marking:
Worcester (brand of Bosch) on front of boiler. Worcester, address, model, serial No. & other tech info on adhesive label on inside of panel.
Installation Requirements:
R001
Expiry date:
31/10/2026
Model:
Greenstar Highflow range comprising of model numbers: 7 731 600 098 (model code: 440CDi ErP). 7 731 600 099 (440CDi ErP). 7 731 600 100 (550CDi ErP). 7 731 600 101 (550CDi ERP).
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#2111364

Greenstar Heatslave II range of floor standing oil-fired condensing combination boilers 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 cold water inlet incorporates a screwdriver operated spherical valve followed by a plastic flow regulator inserted within the pipework. Maximum working pressure: Primary circuit 2.5 bar. Secondary circuit 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:
2111364
Size:
Primary: 28mm copper tail (25/32 models), 22mm copper tail (all other models). Secondary: 15mm inlet x 22mm copper tail outlet.
Marking:
Worcester (brand of Bosch Thermotechnology Ltd) and Worcester logo on front casing. Data label, Worcester and technical information on inside cover.
Installation Requirements:
R001 R140 R360 R430
Expiry date:
30/11/2026
Model:
7 731 600 165 Greenstar Heatslave II 12/18 ErP+, 7 731 600 166 Greenstar Heatslave II 18/25 ErP+, 7 731 600 167 Greenstar Heatslave II 25/32 ErP+, 7 731 600 168 Greenstar Heatslave II EXT 12/18 ErP+, 7 731 600 169 Greenstar Heatslave II EXT 18/25 ErP+, 7 731 600 170 Greenstar Heatslave II EXT 25/32 ErP+, 7 731 600 260 Greenstar Heatslave II 12/18 2022+, 7 731 600 261 Greenstar Heatslave II 18/25 2022+, 7 731 600 262 Greenstar Heatslave II 25/32 2022+, 7 731 600 263 Greenstar Heatslave II EXT 12/18 2022+, 7 731 600 264 Greenstar Heatslave II EXT 18/25 2022+, 7 731 600 265 Greenstar Heatslave II EXT 25/32 2022+.
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Bosch Thermotechnology Ltd.
Company Name
Bosch Thermotechnology Ltd.
Address
Danesmoor Works Pilsley Clay Cross Chesterfield Derbyshire
Postcode
S45 9BY
General Email

View All Listings by this Company

Print This Approval


#2201303

"Greenstar" range of indirect heat interface units and "Flow 8000" (added December 2024) range of direct heat interface units providing heating and instantaneous hot water. The heating system incorporates an expansion vessel. The products are sold with or without a prefix kit (see model), which comprises of a mounting bracket that includes spherical valves for all circuits. The "Greenstar" indirect models include a pressure relief valve (set at 3.0 bar) on the space (central) heating circuit. Greenstar models: 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 60°C (secondary) and 90°C (primary). Flow 8000 models (added December 2024): Maximum working pressure district and space heating 10.0 bar. Maximum working pressure secondary hot water 10.0 bar. Maximum operating temperature 60°C (secondary) and 90°C (primary).

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:
2201303
Size:
Models which incorporate the prefix kit: All circuits 22mm compression. 7-733-601-272 Prefix kit: All circuits 22mm compression inlets x ¾” BSP (M) outlets. Models which do not incorporate the prefix kit: All circuits ¾” captive nut.
Marking:
Worcester on front panel. Worcester, model, address, serial number and other technical information on data label on inside of case. Models added December 2024: Bosch on front panel.
Installation Requirements:
R001 R140 R360
Expiry date:
31/01/2027
Model:
The following models incorporate the prefix kit: 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. The following models are sold without the prefix kit: 7-735-600-662: Greenstar HIU KE plus with Heat Meter, 7-735-600-661: Greenstar HIU KE Plus, 7-735-600-660: Greenstar HIU E with Heat Meter, 7-735-600-659: Greenstar HIU E, 7-735-600-663: Greenstar HIU with Heat Meter, 7-735-600-658: Greenstar HIU. Prefix kit (which must be installed in conjunction with the aforementioned models): 7-733-601-272. Models added May 2023 (incorporate prefix kit 7-733-601-272): 7-735-600-724: Greenstar HIU E with Heat Meter, 7-735-600-725: Greenstar HIU KE with Heat Meter, 7-735-600-726: Greenstar HIU with Heat Meter. Models added December 2024 (sold without the prefix kit): 7-735-600-733: Flow 8000 40 D, 7-735-600-734: Flow 8000 40 DH with heat Meter, 7-735-600-735: Flow 8000 50 D, 7-735-600-736: Flow 8000 50 DH with heat Meter, 7-735-600-737: Flow 8000 60 D, 7-735-600-738: Flow 8000 60 DH with heat Meter.
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#2111057

Filling link assembly with a nylon body and EPDM ‘O’-rings. The product incorporates a screwdriver operated shut off valve and two check valve cartridges, verified by test (suitable for backflow protection against Fluid Category 3). The product is also supplied with two screwdriver operated angled spherical valves and a mounting bracket. Maximum working pressure 10.0 bar. Cold water use only.

Section:
1015 Filling Loop
Size:
8-750-731-754 Integral Filling Link Assembly: ½” BSP (M). 7-716-192-281 & 8-716-107-303 Integral Filling links: DN22 ØD manifold connection inlet/outlet.
Marking:
Bosch, flow arrow, Worcester, model and date of manufacture (dial format) on body.
Installation Requirements:
R001
Expiry date:
30/11/2026
Model:
8-750-731-754 (Complete) Integral Filling Link Assembly Consisting of either: 7-716-192-281 or 8-716-107-303 Integral Filling links.
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#2201345

Range of wall mounted, gas-fired, condensing combination boilers providing domestic hot water via a plate heat exchanger. The pressurised central heating system incorporates an expansion vessel and a pressure relief valve set at 3.0 bar. The inlets to the domestic hot water and primary circuits each have a screwdriver operated angled spherical valve. Both include a ½” BSP (M) connection for a filling link. The Greenstar CDi models only are supplied with an integral charging link (CAB device) verified by test (suitable for backflow protection against Fluid Category 3). Maximum working pressure of the primary circuit is 2.5 bar. Maximum working pressure of the secondary circuit is 10.0 bar. Maximum operating temperature of primary circuit is 82°C. Maximum operating temperature 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:
2201345
Size:
Secondary: 15mm compression. Primary: 22mm compression.
Marking:
Worcester and Wocester logo on front cover. Worcester, Worcester logo, model number, pressure, temperature and other technical information on data label inside boiler. (Worcester is a brand of Bosch).
Installation Requirements:
R001 R360
Expiry date:
31/01/2027
Proviso:
Greenstar CDi models: Supplied with a 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. Greenstar Si models: 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:
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.
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#2307329

Preheat accessory assembly for connection to the domestic hot water circuit of a combination boiler. Incorporates flow sensor, flow restrictor, flow silencers, pre-heat sensor and filter. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

Section:
1478 Heater
Section Subtitle:
Combination boilers - accessories and components.
WRAS Approval Number:
2307329
Size:
15mm compression.
Marking:
Bosch and date of manufacture (MM/YY).
Installation Requirements:
R001
Expiry date:
31/07/2028
Model:
7-716-192-735: GREENSTAR CDI COMPACT ERP DHW Solar Pre-Heat Kit.
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#2402803

Range of wall mounted, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system incorporating an expansion vessel, pressure relief valve set at 3.0 bar and flow regulators. The inlets to both domestic hot water and primary circuits are controlled via screwdriver operated angled spherical valve. The primary circuit can be filled via a built in CAB device, that has been verified by test (suitable for backflow protection against Fluid Category 3). Primary circuit: Maximum working pressure 2.5 bar. Maximum operating temperature 80°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:
2402803
Size:
22mm Compression Primary 15mm Compression Secondary
Marking:
Worcester on label on the front panel. Serial number, model numbers and other technical information on adhesive labels on body and underside of the unit
Installation Requirements:
R001
Expiry date:
28/02/2029
Model:
Worcester Greenstar 8000 Style GR8700iW 30 C - Gas combi boiler 30kw, 14 plate heat exchanger 111/min, Worcester Greenstar 8000 Style GR8700iW 35 C - Gas combi boiler 35kw, 16 plate heat exchanger 131/min, Worcester Greenstar 8000 Style GR8700iW 40 C - Gas combi boiler 40kw, 18 plate heat exchanger 141/min, Worcester Greenstar 8000 Style GR8700iW 45 C - Gas combi boiler 45kw, 18 plate heat exchanger 151/min, Worcester Greenstar 8000 Style GR8700iW 50 C - Gas combi boiler 50kw, 20 plate heat exchanger 151/min. Worcester Greenstar 8000 Life GR8300iW 30 C - Gas combi boiler 30kw, 14 plate heat exchanger 111/min, Worcester Greenstar 8000 Life GR8300iW 35 C - Gas combi boiler 35kw, 16 plate heat exchanger 131/min, Worcester Greenstar 8000 Life GR8300iW 40 C - Gas combi boiler 40kw, 18 plate heat exchanger 141/min, Worcester Greenstar 8000 Life GR8300iW 45 C - Gas combi boiler 45kw, 18 plate heat exchanger 151/min, Worcester Greenstar 8000 Life GR8300iW 50 C - Gas combi boiler 50kw, 20 plate heat exchanger 151/min. Models added September 2024 Worcester Greenstar 8000+ GR8701iW 32 CB - Gas combi boiler 32kW, 16 plate heat exchanger 13 l/min Worcester Greenstar 8000+ GR8701iW 36 CB - Gas combi boiler 36kW, 16 plate heat exchanger 14 l/min Worcester Greenstar 8000+ GR8701iW 32 C - Gas combi boiler 32kW, 16 plate heat exchanger 13 l/min Worcester Greenstar 8000+ GR8701iW 36 C - Gas combi boiler 36kW, 16 plate heat exchanger 14 l/min Worcester Greenstar 8000+ GR8701iW 40 C - Gas combi boiler 40kW, 18 plate heat exchanger 15 l/min Worcester Greenstar 8000+ GR8701iW 45 C - Gas combi boiler 45kW, 18 plate heat exchanger 18 l/min Worcester Greenstar 8000+ GR8701iW 50 C - Gas combi boiler 50kW, 20 plate heat exchanger 21 l/min

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#240504703

Description Greenstart 4000 Combi DHW Pre-heat kit, Preheat accessory assembly for connection to the domestic hot water circuit of a combination boiler max working pressure 10 bar max operating temperature 82℃

Section:
0470 Combination Tap Assemblies
Section Subtitle:
Single hole tap(s) with a single outlet and a swivel spout.
WRAS Approval Number:
240504703
Basis of Compliance:
Tested to regulators Specification Test Code Sheets
Size:
½” captive nut
Marking:
Inlet pipe, etched Bosch
Installation Requirements:
R001
Expiry date:
31/05/2029
Model:
7733601289 Greenstar 4000 Combi DHW Pe-heat Kit
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


#240904718

Range of Compress 5800i AW vertical cased and insulated indirect unvented stainless steel hot water storage cylinders fitted with a Caleffi 309508 CST temperature and pressure relief valve set at 10 bar & 90°C, and supplied with a Caleffi inlet control group consisting of in-line pressure reducing valve (set at 3.5 bar) and pressure relief valve (set at 6 bar) and incorporates an approved check valve cartridge (verified by test suitable for backflow protection against Fluid Category 2). The cyclinders also supplied with an 18L expansion vessel and Intatec filling loop assembley (FL12041510). Maximum working pressure 10 bar. Maximum operating temperature 80°C.

Section:
1890 Unvented Heating Apparatus
Basis of Compliance:
Tested to regulators Specification Test Code Sheets
Size:
22mm compression.
Marking:
Bosch, Model, Serial No, Pressure ratings, Capacity and other technical information on adhesive label on control box.
Installation Requirements:
R001 R140 R360
Expiry date:
30/09/2029
Model:
7 731 600 271 CS5800iAW 180 MCP (Slimline) 7 731 600 272 CS5800iAW 210 MP 7 731 600 273 CS5800iAW 250 MP
Product Images

Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company
Manufacturer:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

View All Listings by this Company

Print This Approval


Show Per Page
5102050Show All

Back To Directory Sections

Page of 1

We use cookies to give you the best possible experience with WRAS. Some are essential to provide website functions and ensure the website is secure. We also use cookies to help us understand how people use the site and to make improvements. Click "Accept All" to enable recommended settings or click "Manage cookies" to adjust your settings. For more details, see our Cookie Policy.