Worcester Bosch
Worcester Bosch Heat Exchanger Outdoor 8738203504
Outdoor heat exchanger for the Worcester WAA OU 6 heat pump, part number 8738203504.
At a glance
- Appliance family: Worcester WAA OU 6 heat pump
- Also known as 2248447
£537.29
£447.74 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 OUTDOOR is a Worcester Bosch heat exchanger intended for the outdoor unit of a Worcester WAA OU 6 heat pump. It transfers heat between the refrigerant circuit and the outdoor air side of the system. The part is identified by Worcester Bosch part number 8738203504.
Signs this part needs replacing
- Heating or hot water output falls away and the system struggles to reach temperature.
- The outdoor unit ices up heavily or repeatedly defrosts without clearing.
- Refrigerant pressure or temperature readings sit outside normal operating ranges.
- Visible oil traces, frost patterning or damage around the outdoor coil.
- The heat pump locks out on a refrigerant or heat exchanger related fault code.
Before you order
- Confirm the appliance model on the outdoor unit data plate matches the WAA OU 6 heat pump.
- Check the existing part number against 8738203504 before ordering.
- Verify the fault is traced to the heat exchanger rather than the refrigerant charge, fan or controls.
- Work on the refrigerant circuit must be carried out by a competent, appropriately qualified engineer.
Compliance
| Alternative numbers | 2248447 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER WAA OU 6 HEAT PUMP - (8733701371) | — | — | — |
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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