Worcester Bosch
Worcester Bosch Adapter (PHE Left) 8737713731
Worcester Bosch adapter for the left-hand side of the plate heat exchanger.
At a glance
- Appliance family: Worcester Greenstar 1000 Series and Greenstar 2000 Combi
- Also known as 1038395
£37.51
£31.26 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 LEFT) is a Worcester Bosch connector component that mounts to the left-hand side of the plate heat exchanger (PHE) on Greenstar condensing appliances. It forms the interface between the PHE port and the associated pipework, allowing a secure, sealed connection within the hydraulic assembly. It is supplied under Worcester Bosch part number 8737713731.
Signs this part needs replacing
- Water weeping or traces of scale staining around the left-hand plate heat exchanger connection
- Loss of pressure on the heating or domestic hot water circuit with no other visible source
- Corrosion, cracking or thread damage on the adapter body or its sealing face
- Evidence of disturbance or joint failure after work on the hydraulic block or PHE
Before you order
- Confirm the appliance model and GC number against the fitment list above
- Identify whether the fault is on the left-hand PHE connection, as this adapter is handed
- Check the adapter body, threads and sealing face for damage before fitting
- Have new seals or O-rings to hand if the existing ones show signs of hardening or distortion
Compliance
| Alternative numbers | 1038395 |
|---|
| 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 | — | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
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