The Vaillant negative temperature coefficient thermistor sensor works by decreasing current resistance in a manner that is inversely proportional to the temperature of the thermistor. The electronic control sends a current to the thermistor and can tell whether an increase or decrease in heat is needed.
Fits a number of appliances
Technical specification
Waist Sizeaa99cj38fxTypeThermistorCompatible WithVaillant VU 466/4-5 (2007 - 2010) and Vaillant VU 656/4-5 (2007 - 2010)Supplier Part Number0020045972Brand NameVaillant
Reviews
Vaillant Thermistor Negative Temperature Coefficient Sensor 0020045972.