Vaillant Thermistors (Page 2)
The thermistor decreases circuit resistance as the temperature of the thermistor rises. The electronic control board sends a current to the thermistor and can tell whether an increase or decrease in heat is needed by the resistance provided by the thermistor.
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Vaillant 0010031609 Tube With Sensor - ETec+/Ecotec+/Ecotec Plus VU
Part No: 1371985 MPN: 0010031609
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