
Worcester Bosch
Worcester Bosch Temperature Sensor T1/T4 4000mm 8738204637
Worcester Bosch temperature sensor T1/T4 with a 4000mm lead, part number 8738204637.
At a glance
- Also known as 1020891
£130.02
£108.35 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 8738204637 is a temperature sensor (thermistor) for Worcester Bosch gas boilers. It is identified as a T1/T4 sensor and is supplied with a 4000mm lead. The sensor provides temperature feedback to the boiler control, allowing the appliance to regulate flow and return temperatures correctly.
Before you order
- Confirm the part number 8738204637 against the boiler's documentation or the existing sensor.
- Check that a T1/T4 sensor is the correct sensor position for the fault being diagnosed.
- Verify the 4000mm lead length is sufficient for the routing on the appliance before fitting.
Compliance
| Barcode / EAN | 4051516937669 |
|---|---|
| Alternative numbers | 1020891 |
No fitment data held for this part.
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
