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Carrier 25HPA424A0030010 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor whose rated resistance will fluctuate depending on the thermal temperature. They convey to the circuit board when the temperature has been reached. The heating system must know the temp in some specific areas of the system to know what to do next.
Indications the temp-regulating thermister will need replacing
- The whole HVAC system may not function because of the thermistor that is damaged
- The main fan could never begin in the attempt to ramp up
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