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International Comfort Products GPSM48H120F Thermistor
A thermistor is a type of resistor that has a fluctuating resistance that is solely dependent on the amount of, or lack thereof, heat. The heating and cooling system needs to know the temperature in some specific areas of the system to make sure everything is running smoothly. They inform the circuit board when the temperature has been reached.
Major clues of a weakening all-important thermister
- The entire system may never begin due to a thermistor that is the problematic one
- The system blower could refuse in the attempt to ramp up the airflow
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