The Sime thermistor decreases the current resistance as the temperature increases. The electronic control board sends a current to the thermistor and can tell whether a decrease or increase in heat is needed by the resistance in the thermistor.
Fits multiple appliances
Technical specification
Waist Sizeac89cg14gzTypeSensorToilet Cistern CapacityFTW--Supplier Part Number6231354Brand NameSime