Worcester Bosch
Worcester Bosch Return Pipe 8737602352
Worcester Bosch return pipe, part 8737602352, for Greenstar 4000 System Gr4700IW boilers.
At a glance
- Part type: return pipe
- Appliance family: Worcester Greenstar 4000 System Gr4700IW
- Also known as 8922909
£9.73
£8.11 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 Worcester Bosch 8737602352 is a return pipe for Worcester Greenstar 4000 System Gr4700IW appliances. It forms part of the boiler's water circuit, carrying returned heating water back through the appliance. It is a manufacturer-supplied component identified by part number 8737602352.
Signs this part needs replacing
- Visible corrosion, scaling or pitting on the pipe surface
- Weeping or damp traces at pipe joints and connections
- Water loss or pressure drop traced to the return pipework
- Discolouration or heat damage around the pipe
- Pipe deformation or cracking found during service
Before you order
- Confirm the part number on the existing component or appliance documentation matches 8737602352
- Check the boiler model and fuel type against the fitment list, as LPG and NG variants are listed separately
- Verify the installation is a Greenstar 4000 System Gr4700IW before ordering
- Isolate the appliance and drain down as required before fitting
Compliance
| Alternative numbers | 8922909 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 12 S LPG | 41-800-08 | 41-800-08 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 12 S NG | 41-800-07 | 41-800-07 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 15 S LPG | 41-800-10 | 41-800-10 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 15 S NG | 41-800-09 | 41-800-09 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 18 S LPG | 41-800-12 | 41-800-12 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 18 S NG | 41-800-11 | 41-800-11 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 21 S LPG | 41-800-14 | 41-800-14 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 21 S NG | 41-800-13 | 41-800-13 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 24 S LPG | 41-800-16 | 41-800-16 | — | — |
| WORCESTER GREENSTAR 4000 SYSTEM GR4700iW 24 S NG | 41-800-15 | 41-800-15 | — | — |
Showing 10 of 20 compatible appliances.
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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