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International Comfort Products GNL050N12C1 Thermistor
In an HVAC system, a thermistor is a type of resistor which has a resistance that is altered by temperature. The system control board needs to know the temperature throughout the whole system to understand what is going on. They convey to the main board when a certain temperature has been reached.
Warnings your all-important thermister is in dire need of a replacement
- Blower fan may refuse to begin to ramp up the airflow
- The heating and cooling system may not initiate the starting sequence because of any improperly set thermistor
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