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Carrier 38BYC036 Thermistor
A thermistor is a specific kind of resistor that has a fluctuating resistance that is dependent on the heat. The furnace or AC must know the temp in several different areas to make a decision on what needs to be done. They tell the circuit board when a certain temperature reaches a certain point.
Signals the temp-regulating thermister needs a replacement ASAP
- The AC and heat system could possibly not even begin due to any one thermistor that has failed
- The main blower could fail in its attempt to engage full speed spinning
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