
Worcester Bosch
Worcester Bosch Temperature Sensor Outdoor Unit 8738203594
Temperature sensor for the outdoor unit of Worcester Bosch heat pumps, supplied as part number 8738203594.
At a glance
- Appliance family: Worcester WAA OU 6 heat pump
- Also known as 2248451
£79.73
£66.44 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 OUTDOOR UNIT is a Worcester Bosch temperature sensor used on the outdoor unit of the WAA OU 6 heat pump. It measures outdoor air temperature and feeds that signal back to the heat pump control, which uses it to regulate operation. The sensor is supplied under part number 8738203594.
Signs this part needs replacing
- Outdoor temperature readings that are clearly wrong or implausible for the conditions
- Heat pump efficiency drop or unexpected cycling linked to incorrect ambient temperature sensing
- Defrost or weather compensation behaviour that does not match the actual outdoor temperature
- Fault codes or lockouts on the heat pump control pointing to an outdoor sensor circuit
- Visible damage, corrosion or a broken cable at the sensor or its connector
Before you order
- Confirm the appliance is a Worcester WAA OU 6 heat pump
- Check the part number on the existing sensor against 8738203594
- Inspect the sensor connector and cable run for damage before replacing
- Isolate the power supply to the outdoor unit before any work begins
Compliance
| Alternative numbers | 2248451 |
|---|
| 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.
No technical questions yet for this part.
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