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International Comfort Products T8DNL100L20A1 Thermistor
In an HVAC system, a thermistor is a thermal resistor, which has a resistance that is solely dependent on the amount of, or lack thereof, heat. They notify the system control board when a certain temperature reaches a certain point. The heating and cooling system needs to know the temperature in a few critical areas to know what to do next.
Signals your all-important thermister is in dire straights
- The whole HVAC system may not function depending on which is the thermistor that is malfunctioning
- The system blower fails in its attempt to begin full speed blowing
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