Potterton
Potterton NTC Sensor 5142361
NTC temperature sensor, 10.6 mm, for Potterton Commercial Sirius 2 and Sirius 3 FS50 and FS70 boilers.
£36.00
£30.00 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 Potterton NTC sensor (10.6 mm) is a temperature sensing component used on Potterton Commercial Sirius 2 and Sirius 3 boilers. It sits in the appliance's control circuit, where its resistance changes with temperature so the boiler can monitor and regulate water temperature. It is supplied under part number 5142361.
Signs this part needs replacing
- Boiler locks out or fails to fire
- Fault codes relating to the temperature sensor
- Erratic or inaccurate temperature readings
- Overheating or short cycling
- Unstable hot water temperature
Before you order
- Confirm the sensor length matches the one removed (10.6 mm)
- Check the boiler model against the fit list
- Note any fault codes before ordering
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS70 | — | — | — |
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.
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