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#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
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. R430 applies to the EXT models only.
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+.
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Approval Holder:
Worcester Bosch
Company Name
Worcester Bosch
Address
Cotswold Way Warndon Worcester
Postcode
WR4 9SW
Country
United Kingdom
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

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Manufacturer:
Bosch Thermotechnology Ltd.
Company Name
Bosch Thermotechnology Ltd.
Address
Danesmoor Works Pilsley Clay Cross Chesterfield Derbyshire
Postcode
S45 9BY
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#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
Note:
The 7-733-601-272 prefix kit is not approved in its own right.
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
Country
United Kingdom
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

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

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#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
Country
United Kingdom
Phone
+44 1905 752761
General Email
ian.sharp@uk.bosch.com

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#2112344

MJ (Multi jet) range of water meters with either ductile iron (MJF model) or brass (MJ models) blue epoxy coated bodies and EPDM rubber ‘O’-rings. Maximum working pressure16.0 bar. Maximum operating temperature 85°C.

Section:
1505 Water Meters
Size:
see model
Marking:
Delta Flowtech web address, WRAS approved and other technical info on dial. Flow arrow & size on body.
Installation Requirements:
R001 R120
Expiry date:
31/12/2026
Model:
D15MJ – ¾” BSP (M). D20MJ – 1” BSP (M). D25MJ – 1 ¼” BSP (M). D32MJ – 1 ½” BSP (M). D40MJ – 2” BSP (M). D50MJ – 2 ½” BSP (M). D50MJF – DN50 flange.
Product Images

Approval Holder:
Delta Flowtech
Company Name
Delta Flowtech
Address
Bridge House, Riverside North, Bewdley
Postcode
DY12 1AB
Country
Worcestershire

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Manufacturer:
Delta Flowtech
Company Name
Delta Flowtech
Address
Bridge House, Riverside North, Bewdley
Postcode
DY12 1AB
Country
Worcestershire

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#2203022

Water meter with a DZR brass body, stainless steel temperature sensors and EPDM ‘O’-rings. The inlet incorporates a plastic strainer. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

Section:
1505 Water Meters
Size:
2 ½” BSP (M)
Marking:
Diehl metering, Diehl logo, PN, DN, CE and tech info on meter face. Flow arrow, DR and DN on body.
Installation Requirements:
R001
Expiry date:
31/03/2027
Model:
HYDRUS 2.0 Type 173 DN50
Product Images

Approval Holder:
Diehl Metering GmbH
Company Name
Diehl Metering GmbH
Address
Industriestraße 13 91522 Ansbach
Country
Germany

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