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International Comfort Products HHP224GKA1 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a fluctuating resistance that depends on the thermal temperature. They tell the system when a temperature has been reached. The furnace or AC reads the temperature throughout the whole system to understand what is going on.
Major clues your thermister needs replacing ASAP
- The whole system may not operate due to a bad thermistor
- The blower may fail in the attempt to ramp up
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