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International Comfort Products PGC048H120F Thermistor
A thermistor is a type of resistor that has a fluctuating resistance that depends on the amount of, or lack thereof, heat. They can tell the system when the temperature reaches a certain point. The heating system reads the temperature in several different areas to ensure that things are as they should be.
Major symptoms your all-important thermister should need replacing
- The system blower could never begin in the attempt to ramp up the airflow
- No component may not operate due to any one thermistor that has failed
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