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International Comfort Products NNE100F20G1 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a varied resistance that is altered by current temperature. They convey to the heating and cooling system when the temperature in increasing or decreasing. The main control board needs to know the temperature in a few critical areas to ensure that things are as they should be.
General indicators that your the temp-regulating thermister is dying
- The heating and cooling system may not initiate the starting sequence due to any one thermistor that is the problematic one
- Main blower fails to begin to engage full speed
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