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International Comfort Products PGMD42G115 Thermistor
A thermistor is a specific kind of resistor that has a varied resistance that fluctuates depending on the current temperature. The furnace or AC takes the temperature in some specific areas of the system to know what to do next. They can tell the system when a temperature reaches a certain point.
Key indicators that my thermister needs replacing?
- Blower motor refuses in the attempt to ramp up the airflow
- No component may not even begin to function due to a broken thermistor
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