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Payne PA10JA024000AA Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a fluctuating resistance that is solely dependent on the amount of, or lack thereof, heat. They inform the heating and cooling system when the temperature in increasing or decreasing. The furnace or AC must know the temp in a few critical areas to make a decision on what needs to be done.
Chief elements of a poorly working all-important thermister
- The system blower could possibly fail in its attempt to engage full speed spinning
- The heating and cooling system could possibly not operate depending on which is the failed thermistor
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