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International Comfort Products GPCM48L080F Thermistor
In an HVAC system, a thermistor is a certain type of resistor which has a resistance that varies depending on the temperature. The heating system takes the temperature in several different areas to make a decision on what needs to be done. They inform the system control board when a certain temperature in increasing or decreasing.
How do you know if your main thermister has a need to be replaced?
- The main fan could possibly fail in its attempt to ramp up to full speed
- The system may not even begin to function due to a thermistor that has failed
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