Worcester Bosch
Worcester Bosch Adapter (PHE/3WV) 8737604395
Adapter for the plate heat exchanger and three-way valve assembly on Worcester Bosch Greenstar 1000 and 2000 series boilers.
At a glance
- Part type: adapter for plate heat exchanger and three-way valve (PHE/3WV)
- Appliance family: Worcester Greenstar 1000 and 2000 series
- Also known as 1038399
£12.85
£10.71 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The adapter (PHE/3WV) is a Worcester Bosch hydraulic component that links the plate heat exchanger and three-way valve assembly. It is used across Greenstar 1000 and 2000 series boilers. It is supplied under Worcester Bosch part number 8737604395.
Signs this part needs replacing
- Water weeping or dripping at the adapter joint
- Corrosion, staining or scale deposits around the connection
- Repeated loss of system pressure
- Restricted flow affecting heating or hot water output
- Cracking or deformation of the adapter body
Before you order
- Confirm your boiler model and GC number against the fit list above
- Check the part number 8737604395 on the existing component or in the manufacturer's parts list
- Inspect the mating faces and seals for damage before fitting
- Confirm whether replacement seals or washers are needed separately
Compliance
| Alternative numbers | 1038399 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 1000 SERIES GR1000W 24 C NG | 47-800-38 | 47-800-38 | — | — |
| WORCESTER GREENSTAR 1000 SERIES GR1000W 30 C NG | 47-800-39 | 47-800-39 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C LPG | 47-800-35 | 47-800-35 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C NG | 47-800-34 | 47-800-34 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C LPG | 47-800-37 | 47-800-37 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C NG | 47-800-36 | 47-800-36 | — | — |
| WORCESTER GREENSTAR GR1000W 24 C NG | — | — | — | |
| WORCESTER GREENSTAR GR1000W 30 C NG | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 25 C LPG COMBI | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 25 C NG COMBI | — | — | — |
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Documents & drawings
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