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Carrier 24ANA736A0030020 Thermistor
A thermistor is a certain type of resistor that has a swinging resistance is solely dependent on actual temperature is perceives. They tell the circuit board when a certain temperature reaches a certain point. The furnace or AC must know the temp in order to understand what is going on.
Clues of a weakening Carrier thermister
- The system blower refuses in the attempt to begin full speed blowing
- The whole HVAC system may not even begin to function due to any one thermistor that is stuck open
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