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International Comfort Products APFM60K000A Thermistor
In an HVAC system, a thermistor is a specific kind of resistor which has a resistance that will fluctuate depending on the amount of, or lack thereof, heat. They notify the heating and cooling system when a temperature reaches a certain point. The furnace or AC takes the temperature in several different areas to understand what is going on.
Easy warnings the system thermister should need replacing
- Primary blower refuses in the attempt to ramp up to full speed
- The heating and AC system could possibly not even begin depending on which is the broken thermistor
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