Worcester Bosch
Worcester Bosch Heat Exchanger Indoor 8738204421
Indoor heat exchanger for the Worcester WAA IU 6 heat pump, supplied under Worcester Bosch part number 8738204421.
At a glance
- Part type: indoor heat exchanger
- Appliance family: Worcester heat pump indoor unit
- Also known as 2248475
£451.31
£376.09 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 INDOOR is a Worcester Bosch heat exchanger intended for the indoor unit of a Worcester heat pump system. It transfers heat between the refrigerant circuit and the heating or hot water circuit within the indoor unit. It is listed under Worcester Bosch part number 8738204421.
Signs this part needs replacing
- Reduced heating output or poor heat transfer at the indoor unit
- Water or refrigerant loss around the indoor unit
- Visible leaks, corrosion or scale build-up on the heat exchanger
- Fault codes or lockouts relating to heat transfer or refrigerant circuit performance
- Uneven temperatures across the heating circuit despite correct system settings
Before you order
- Confirm the indoor unit is a Worcester WAA IU 6 heat pump
- Check the existing part number against 8738204421 before ordering
- Inspect the surrounding pipework and connections for damage that may also need attention
- Work on refrigerant circuits should be carried out by a competent engineer with the relevant handling certification
Compliance
| Alternative numbers | 2248475 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER WAA IU 6 HEAT PUMP - (8733701370) | — | — | — |
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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