
Worcester Bosch
Worcester Bosch Temperature Sensor 8738203474
Indoor unit temperature sensor for the Worcester WAA IU 6 heat pump, part number 8738203474.
At a glance
- Also known as 2248419
£45.73
£38.11 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 TEMPERATURE SENSOR INDOOR UNIT is a Worcester Bosch sensor used to measure air or water temperature within the indoor unit of the appliance. It provides the control board with the temperature feedback needed to regulate heat pump operation. This part carries the manufacturer part number 8738203474.
Signs this part needs replacing
- The heat pump does not respond correctly to changes in room or flow temperature
- Heating output stays constant regardless of the setpoint
- The appliance cycles on and off more frequently than expected
- Temperature readings at the controller appear inaccurate or unstable
- Fault codes relating to temperature sensing appear at the controls
Before you order
- Confirm the appliance model and that it is a Worcester WAA IU 6 heat pump
- Check the existing sensor part number against 8738203474
- Verify the sensor location on your indoor unit before removing the old part
- Isolate the appliance from the power supply before fitting
Compliance
| Alternative numbers | 2248419 |
|---|
| 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.
No technical questions yet for this part.
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