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International Comfort Products PGF018K040A Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor which has a resistance that will fluctuate depending on the current temperature. The control board deciphers the temp in a few critical areas to do its job correctly. They inform the heating and cooling system when the temperature in increasing or decreasing.
How do you know if your International Comfort Products thermister is failing?
- The heating and AC system may not even start due to a thermistor that is stuck open
- Main blower may refuse to begin to ramp up the airflow
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