Worcester Bosch
Worcester Bosch Heat Exchanger C3 8738902782
Heat Exchanger C3 for Worcester Greenstar 1000 Series and Gr1000W combi boilers.
At a glance
- Appliance family: Worcester Greenstar 1000 Series
- Also known as 1038351
£829.74
£691.45 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 Heat Exchanger C3 is a Worcester Bosch heat exchanger assembly supplied under part number 8738902782. It transfers heat from the combustion circuit into the domestic heating and hot water water circuit within the appliance. It is used across the Worcester Greenstar 1000 Series range.
Signs this part needs replacing
- Loss of heating or hot water output despite the boiler firing
- Water leaking from the heat exchanger body or its connections
- Overheating faults or repeated high-limit trips during operation
- Kettling, gurgling or abnormal noise from the heat exchanger during firing
- Discolouration, scale build-up or corrosion visible on the exchanger surface
Before you order
- Confirm the boiler model and GC number against the fit list above
- Check the existing heat exchanger part number before removal where accessible
- Inspect associated seals, gaskets and connections for condition before refitting
- Verify gas type (NG) matches the appliance being worked on
Compliance
| Alternative numbers | 1038351 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 1000 SERIES GR1000W 24 C NG | 47-800-38 | 47-800-38 | — | — |
| WORCESTER GREENSTAR 1000 SERIES GR1000W 30 C NG | 47-800-39 | 47-800-39 | — | — |
| WORCESTER GREENSTAR GR1000W 24 C NG | — | — | — | |
| WORCESTER GREENSTAR GR1000W 30 C NG | — | — | — |
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.
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