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International Comfort Products PAF048K000A Thermistor
A thermistor is a special kind of new age resistor that has a varied resistance that is dependent on the temperature. They notify the HVAC system when the temperature reaches a certain point. The furnace or AC needs to know the temperature in certain areas to understand what is going on.
Elements of a poorly performing temp regulating thermister
- Blower motor may refuse to begin to ramp up the airflow
- The AC and heat system may never start up due to any one stuck thermistor
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