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International Comfort Products GPCM24K040F Thermistor
A thermistor is a certain type of resistor that has a fluctuating resistance that changes as it depends on heat. The control board deciphers the temp throughout the whole system to ensure that things are as they should be. They tell the system when a temperature in increasing or decreasing.
Indications of a deteriorating all-important thermister
- The system may not even start due to a thermistor that has failed
- The system blower fails in the attempt to engage full speed
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