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International Comfort Products HHP424AKA1 Thermistor
A very basic thermistor is a certain type of resistor that has a fluctuating resistance that is dependent on the temperature at its location. They can tell the HVAC system when the temperature has been reached. The system control board reads the temperature in order to make sure everything is running smoothly.
Some clues poorly running temp regulating thermister
- Main blower refuses in the attempt to ramp up to full speed
- The heating and AC system may not initiate the starting sequence due to any one stuck thermistor
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