Worcester Bosch
Worcester Bosch Heat Exchanger 8738903191
Heat exchanger for Worcester Bosch Greenstar Condens 7000 Series and Greenstar Condens Gc7000WP boilers.
At a glance
- Part type: heat exchanger
- Appliance family: Greenstar Condens 7000 Series, Greenstar Condens Gc7000WP
- Also known as 1200302
- Heat exchanger work should be carried out by a Gas Safe registered engineer.
£4,688.48
£3,907.07 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 8738903191 is a heat exchanger used in Worcester Bosch Greenstar Condens 7000 Series and Greenstar Condens Gc7000WP boilers. It transfers heat from the combustion process into the heating and hot water circuit. It is a primary component in the appliance's heat transfer path.
Signs this part needs replacing
- Water or condensate leaking from the heat exchanger body or its seals
- Repeated pressure loss on the heating circuit with no visible external leak
- Kettling, banging or gurgling noises from the boiler during operation
- Reduced heating or hot water output despite the boiler firing
- Boiler locking out or failing to reach temperature
Before you order
- Confirm the model and GC number on the appliance data badge match the fit list above.
- Check the part number on the existing heat exchanger before ordering.
- Confirm whether additional seals, gaskets or fittings are required for the swap.
- Heat exchanger work should be carried out by a Gas Safe registered engineer.
Compliance
| Alternative numbers | 1200302 |
|---|
| 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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