
Worcester Bosch
Worcester Bosch Pipe CH Flow 8737603357
Central heating flow pipe, part 8737603357, for Worcester Bosch Greenstar 2000 combi boilers.
At a glance
- Appliance family: Greenstar 2000 / Gr2300IW combi
- Also known as 8905850
£27.31
£22.76 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 Pipe CH Flow is a central heating water pipe supplied by Worcester Bosch under part number 8737603357. It forms part of the heating circuit pipework on Worcester Bosch Greenstar 2000 and Gr2300IW combi boilers, carrying heated water from the appliance into the system. It is a manufacturer-supplied component intended for use on the models listed below.
Signs this part needs replacing
- Visible weeping, staining or corrosion at the pipe or its joints
- Loss of system pressure that cannot be traced to any other component
- Damp or discoloured pipework inside the appliance casing
- Leak detected during a service or pressure test on the heating circuit
Before you order
- Confirm the boiler model and GC number against the fit list above
- Check the pipe run and connections on the appliance to confirm this is the flow pipe required
- Verify the existing part number against 8737603357 where the original is still legible
Compliance
| Alternative numbers | 8905850 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C LPG | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C NG | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C LPG | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C NG | 47-800-28 | 47-800-28 | — | — |
| WORCESTER GREENSTAR GR2300iW 25 C LPG COMBI | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR GR2300iW 25 C NG COMBI | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR GR2300iW 30 C LPG COMBI | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR GR2300iW 30 C NG COMBI | 47-800-28 | 47-800-28 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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