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International Comfort Products GPCM36H100F Thermistor
A thermistor is a special kind of new age resistor that has a fluctuating resistance that is contingent on the amount of, or lack thereof, heat. They tell the system control board when a certain temperature has been reached. The furnace or AC takes the temperature throughout the whole system to do its job correctly.
Simple indications of a faulty all-important thermister
- The blower may refuse in the attempt to ramp up to full speed
- The system may never start up because of the damaged thermistor
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