
Worcester Bosch
Worcester Bosch Pump UPS 15-50 Cacao 8737604215
Circulation pump for Worcester Bosch Greenstar 24 FSN-GB and 28 FSN-GB combi boilers.
At a glance
- Appliance family: Greenstar FSN-GB combi
- Also known as 1018244
£360.18
£300.15 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 UPS 15-50 Cacao is a circulation pump used in Greenstar FSN-GB combi boilers. It moves water around the heating circuit and through the domestic hot water side of the appliance. It is listed under Worcester Bosch part number 8737604215.
Signs this part needs replacing
- Boiler fires but radiators stay cold or heat unevenly
- Pump is noisy, humming, or silent when it should be running
- Boiler overheats, locks out, or shows a circulation-related fault
- Domestic hot water temperature is inconsistent
- Leaks or corrosion visible around the pump body
Before you order
- Check the boiler data badge to confirm the model is a Greenstar 24 FSN-GB or 28 FSN-GB Combi NG.
- Compare the model marking on the existing pump with UPS 15-50 Cacao.
- Confirm part number 8737604215 against the manufacturer's parts list for your appliance.
Compliance
| GC number | J09-209 |
|---|---|
| Alternative numbers | 1018244 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 24 FSN-GB COMBI NG | 47-406-32 | 47-406-32 | — | — |
| WORCESTER GREENSTAR 28 FSN-GB COMBI NG | 47-406-33 | 47-406-33 | — | — |
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.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
