Worcester Bosch
Worcester Bosch Pump 8737711966
Circulation pump for Worcester Bosch Greenstar Highflow 440CDI and 550CDI boilers.
At a glance
- Also known as 2248722
£273.17
£227.64 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 8737711966 is a circulation pump for Worcester Bosch Greenstar Highflow boilers. It is the pump that moves water through the heating circuit and the boiler's primary side. The part is specific to the Greenstar Highflow range and is listed under the manufacturer part number 8737711966.
Signs this part needs replacing
- Radiators and hot water run cool or take far longer than usual to reach temperature
- Boiler overheats, kettles or locks out during heating or hot water demand
- Grinding, humming or intermittent noise from the pump area
- Pump body dry, stiff or showing signs of leakage or corrosion
Before you order
- Confirm the boiler model and GC number against the fitment list above
- Check the part number marked on the existing pump matches 8737711966
- Check the pump head, housing and electrical connector arrangement on the appliance before ordering
Compliance
| GC number | H66-929 |
|---|---|
| Alternative numbers | 2248722 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR HIGHFLOW 440CDI LPG | 47-406-26 | 47-406-26 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDI NG | 47-406-24 | 47-406-24 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 550CDI LPG | 47-406-25 | 47-406-25 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 550CDI NG | 47-406-27 | 47-406-27 | — | — |
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 technical questions yet for this part.
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