Worcester Bosch
Worcester Bosch Non-Return Valve 8738903181
Non-return valve 8738903181 for Worcester Bosch Greenstar Condens and Condens 7000 Series boilers.
At a glance
- Part type: non-return valve
- Also known as 2249737
£29.93
£24.94 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 8738903181 is a non-return valve for Greenstar Condens and Condens 7000 Series boilers. It allows water to flow in one direction only, preventing backflow within the appliance's water circuit. The valve is specific to the models listed below.
Signs this part needs replacing
- Water passing in the wrong direction through the valve
- Backflow or reverse circulation in the heating circuit
- Noise or vibration from the valve during operation
- Intermittent flow or pressure loss where the valve is fitted
Before you order
- Confirm your boiler model matches one of the fitments listed above.
- Check the existing valve for the part number 8738903181 or Worcester Bosch markings.
- Compare the connection size and orientation with the failed valve before ordering.
Compliance
| Alternative numbers | 2249737 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR CONDENS 7000 SERIES GC7000WP 125 23 | — | — | — | |
| WORCESTER GREENSTAR CONDENS 7000 SERIES GC7000WP 145 23 | — | — | — | |
| WORCESTER GREENSTAR CONDENS GC7000WP 125 23 | — | — | — | |
| WORCESTER GREENSTAR CONDENS GC7000WP 145 23 | — | — | — |
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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