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Payne PH3ZNA036000AA Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a varied resistance that is dependent on the amount of, or lack thereof, heat. They can tell the HVAC system when a temperature has been reached. The furnace or AC takes the temperature throughout the whole system to make sure everything is running smoothly.
Cues of a poorly performing system thermister
- Blower motor could fail to begin to ramp up the airflow
- The heating and AC system could never start up depending on which is the thermistor that is the problematic one
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