Halstead Lpg Boiler Thermistors
The thermistor decreases the circuit resistance as it gets hotter. The PCB sends a current to the thermistor and can tell whether less or more heat is needed by the resistance provided by the thermistor.
HALSTEAD 500590 CROSSLAND 10 OHM THERMISTOR
Part No: 1292386 / MPN: 500590
HALSTEAD 500626 NTC THERMISTOR
Part No: 1292490 / MPN: 500626
HALSTEAD 550530 BOILER SENSOR
Part No: 1292622 / MPN: 550530