Product Information: The thermistor decreases the circuit resistance as it gets hotter. The electronic control sends a current to the thermistor and can tell whether more or less heat is needed by the resistance provided by the thermistor.
This part is present in 15 different boilers in the Halstead range including the Halstead FINEST PLATINUM , FINEST PLATINUM , ACE TO AC100000131 , ACE HIGH , WICKES COMBI TO AC100000131.