The thermistor decreases circuit resistance in line with temperature increases. A boiler's PCB sends a current to the thermistor, deciding whether a decrease or increase in heat is required by reading the relative resistance.
This part is compatible with:24 HE A28 HE28 HE A28 HE LPG33 HE33 HE LPG40 HE ADuo-tec 28 Combi ErPDuo-tec 28 LPG Combi ErPDuo-tec 40 Combi ErP18 HE A System LPG24 HE A System28 HE A System LPG32 HE A System LPG32 HE Systemand many more...
We offer next day delivery on most of our products with free delivery on all orders over £50
We pick all orders received before 3pm same day
We operate a NO QUIBBLE returns policy to give you peace of mind when buying. In the unlikely event that the product you order isn't quite what you wanted then get in touch, post it back & we will process your refund when it arrives back with us