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Payne PH2PNB060000AA Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a swinging resistance changes as it depends on heat. The system control board reads the temperature in some specific areas of the system to understand what is going on. They inform the system when a certain temperature reaches a certain point.
Warnings the system thermister is on its last leg
- The main fan may fail in the attempt to engage full speed
- The entire system may never start up depending on which is the thermistor that is damaged
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