The Worcester Bosch central heating sensor increases the current resistance as it gets colder The printed circuit board sends a current to the thermistor and can tell whether more or less heat is needed by the relative resistance provided by the thermistor.
Comes with clip
Technical specification
TypeCentral Heating SensorManufacturer Model No87161423840Brand NameWorcester Bosch
Reviews
Worcester Bosch Central Heating Sensor 87161423840