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Carrier 58STA13510022 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a swinging resistance varies depending on the temperature at its location. They inform the heating and cooling system when a certain temperature reaches a certain point. The heating and cooling system must know the temp throughout the whole system to do its job as it should.
Major symptoms to watch for in a failing Carrier thermister
- Blower fan may fail in its attempt to engage full speed
- The system could never start up depending on which is the bad thermistor
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