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International Comfort Products CAC460AKA1 Thermistor
A thermistor is a type of resistor that has a varied resistance that is altered by temperature. The furnace or AC needs to know the temperature in order to do its job as it should. They tell the system control board when a certain temperature has been reached.
Some warnings of a dying thermister
- Blower fan could never begin in its attempt to ramp up
- The whole system may never start up because of any malfunctioning thermistor
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