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International Comfort Products HHP436AKA1 Thermistor
A thermistor is a certain type of resistor that has a swinging resistance varies depending on the actual temperature is perceives. The heating system needs to know the temperature in a few critical areas to know what to do next. They can tell the system control board when a certain temperature reaches a certain point.
General indicators that your the temp-regulating thermister is in dire straights
- The system blower refuses in the attempt to ramp up
- The entire system may not initiate the starting sequence because of any thermistor that is stuck open
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