The Worcester Bosch 87161423020 DHW NTC Thermistor is a genuine Worcester Bosch hot water temperature sensor. It measures the temperature of the domestic hot water and sends this information to the boiler’s control board, so the boiler can deliver hot water at the correct temperature.
NTC (Negative Temperature Coefficient) means the sensor’s resistance falls as the temperature rises. A faulty thermistor can cause hot water that is too hot or not hot enough, temperatures that go up and down, or boiler fault codes.
Key Features
- Genuine Worcester Bosch part – Part No. 87161423020 (8 716 142 302 0)
- NTC thermistor for domestic hot water (DHW) temperature sensing
- Supplied with fixing clip
- Restores accurate hot water temperature control
- 1 year manufacturer guarantee
Compatible Boilers
- Worcester 25 Si and 28 Si
- Worcester 24 Si II and 28 Si II
Please check your boiler model or match the part number before ordering. If you are unsure, contact us and we will confirm the right part for you.
Specifications
| Brand | Worcester Bosch |
| Part Number | 87161423020 (8 716 142 302 0) |
| Type | DHW NTC Thermistor / Temperature Sensor |
| Included | Thermistor and fixing clip |
| Condition | New – Genuine Worcester Bosch |
| Guarantee | 1 year manufacturer guarantee |
Installation
This part must be fitted by a Gas Safe registered engineer.





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