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International Comfort Products PGS048S120F Thermistor
A thermistor is a specific kind of resistor whose resistance will fluctuate depending on the thermal temperature. They convey to the circuit board when a temperature reaches a certain point. The furnace or AC reads the temperature in order to do its job correctly.
Indications of a laboring all-important thermister
- The system blower could refuse in its attempt to ramp up
- The heating and AC system may not function depending on which is the improperly set thermistor
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