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Trane TWR030C100A4 Thermistor
In an HVAC system, a thermistor is a type of resistor that has a swinging resistance changes as it depends on current temperature. The system control board reads the temperature in order to ensure that things are as they should be. They tell the circuit board when a certain temperature reaches a certain point.
Some warnings the Trane thermister is dead
- The main fan may refuse in the attempt to begin full speed blowing
- The heating and cooling system may not even begin to function because of the bad thermistor
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