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International Comfort Products C8DNL100F14A1 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a varied resistance that is solely dependent on the amount of, or lack thereof, heat. The HVAC system deciphers the temp throughout the whole system to ensure that things are as they should be. They tell the main board when the temperature in increasing or decreasing.
Signs to watch for in a failing thermister
- The system may not function depending on which is the bad thermistor
- The main fan could refuse in its attempt to begin full speed blowing
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