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International Comfort Products H8MPT050B12B1 Thermistor
A thermistor is a type of resistor whose resistance is solely dependent on current temperature. The furnace or AC reads the temperature in certain areas to make sure everything is running smoothly. They convey to the circuit board when a certain temperature reaches a certain point.
Signals the system thermister is failing
- The initial sequence could possibly not operate due to any one bad thermistor
- Blower fan could fail in its attempt to get up to full speed
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