
Worcester Bosch
Worcester Bosch Temperature Sensor NTC 4000mm 8738203392
Worcester Bosch NTC temperature sensor with a 4000mm lead and Molex connector for Greenstore boilers.
At a glance
- Also known as TEMPERATURE-SENSOR-NTC-4000MM, 1022491
£73.03
£60.86 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 NTC 4000mm is a Worcester Bosch negative temperature coefficient thermistor used to measure water temperature within the appliance. It is supplied with a 4000mm lead and a Molex connector, and is listed for use across the Greenstore combi and system boiler range.
Signs this part needs replacing
- Boiler locks out or displays a temperature-related fault code
- Flow or return temperature readings that are implausible or erratic
- Domestic hot water running hot and cold instead of holding a steady temperature
- Sensor resistance readings outside the expected range for the measured water temperature
- Visible damage, corrosion or a broken connector on the sensor or its lead
Before you order
- Confirm the appliance model and variant against the fit list above, as Greenstore combi and system models differ
- Check the existing sensor connector type and lead routing before removing it
- Verify the fault is sensor-related rather than a wiring or control board issue
- Compare the part number on the existing sensor with 8738203392
Compliance
| Barcode / EAN | 4051516804824 |
|---|---|
| Alternative numbers | TEMPERATURE-SENSOR-NTC-4000MM, 1022491 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — | — | |
| WORCESTER GREENSTORE 7 SYSTEM SOFT START | — | — | — | |
| WORCESTER GREENSTORE 9 COMBI SOFT START | — | — | — | |
| WORCESTER GREENSTORE 9 SYSTEM | — | — | — |
Showing 10 of 11 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 — 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
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
