A Ferroli thermistor decreases current resistance as the temperature of the thermistor rises. The printed circuit board sends a current to the thermistor and can tell whether more or less heat is needed by the relative resistance in the thermistor.
Colour is black
Technical specification
TypePressure SensorCompatible WithFerroli Maxima 35C , Ferroli Maxima 35SManufacturer Model No39809470Brand NameFerroli