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Carrier 58CVA09010016 Thermistor
A thermistor is a special kind of new age resistor that has a fluctuating resistance that is altered by thermal temperature. They notify the HVAC system when a certain temperature reaches a certain point. The system control board reads the temperature in some specific areas of the system to know what to do next.
Major symptoms the temp-regulating thermister is on its last leg
- The AC and heat system may not even start due to any one stuck thermistor
- Blower fan refuses in its attempt to engage full speed spinning
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