The Vaillant negative temperature coefficient thermistor sensor decreases the current resistance as it gets hotter. The electronic control board sends a current to the thermistor and can tell whether a decrease or increase in temperature is needed by the resistance in the thermistor.
Fits a number of appliances
Technical specification
Waist Sizeab34ce94guTypeThermistorCompatible WithEcomax 613, Ecomax 618, Ecomax622, VU 126 E-C, VU 196 E-C, VU 246 E-C, VUW 246 E-C and VUW 286 E-CSupplier Part Number287607Brand NameVaillant
Reviews
Vaillant Negative Temperature Coefficient Thermistor Sensor 287607