Worcester Bosch
Worcester Bosch Outside Temperature Sensor 8738203521
Outside temperature sensor for Worcester Bosch Greensource heat pumps and Greenstore heating systems.
At a glance
- Part type: outside temperature sensor
- Also known as 1030717
£125.00
£104.17 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 outside temperature sensor (part 8738203521) is a sensor used with Worcester Greensource air/water heat pumps and Greenstore heating systems. It measures the outdoor air temperature and provides that reading to the appliance's control system. This allows the system to adjust flow temperature in line with weather compensation.
Signs this part needs replacing
- Heating system does not respond to changes in outdoor temperature
- Flow temperature stays fixed regardless of weather conditions
- Fault code or error message relating to the outside sensor
- Erratic or intermittent heating behaviour
- Weather compensation running at incorrect flow temperatures
Before you order
- Confirm your appliance model against the fit list above
- Check the part number on the existing sensor matches 8738203521
- Identify whether your system is a Greensource heat pump or a Greenstore model
Compliance
| Barcode / EAN | 4051516819101 |
|---|---|
| Alternative numbers | 1030717 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSOURCE 6KW AIR/WATER HEATPUMP | — | — | — | |
| WORCESTER GREENSOURCE 7KW AIR/WATER HEATPUMP | — | — | — | |
| WORCESTER GREENSOURCE 9.5KW AIR/WATER HEATPUMP | — | — | — | |
| WORCESTER GREENSTORE 11 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 11 SYSTEM SOFT START | — | — | — | |
| WORCESTER GREENSTORE 6 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 6 SYSTEM | — | — | — | |
| WORCESTER GREENSTORE 6 SYSTEM SOFT START | — | — | — | |
| WORCESTER GREENSTORE 7 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 7 SYSTEM | — | — | — |
Showing 10 of 14 compatible appliances.
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.
WORCESTER appliance manual — GREENSOURCE 6KW AIR/WATER HEATPUMP, GREENSOURCE 7KW AIR/WATER HEATPUMP, GREENSOURCE 9.5KW AIR/WATER HEATPUMP
manualmanualWORCESTER appliance manual — GREENSTORE 11 COMBI SOFT START, GREENSTORE 6 COMBI SOFT START, GREENSTORE 7 COMBI SOFT START, GREENSTORE 9 COMBI SOFT START
manualmanualWORCESTER appliance manual — GREENSTORE 11 SYSTEM SOFT START, GREENSTORE 6 SYSTEM, GREENSTORE 6 SYSTEM SOFT START, GREENSTORE 7 SYSTEM, GREENSTORE 7 SYSTEM SOFT START, GREENSTORE 9 SYSTEM, GREENSTORE 9 SYSTEM SOFT START
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