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International Comfort Products H9MPD125L20C2 Thermistor
In an HVAC system, a thermistor is a thermal resistor, which has a resistance that is solely dependent on current temperature. They tell the system when the temperature reaches a certain point. The system deciphers the temp in certain areas to be sure everything is going well.
Key symptoms to watch for in a failing system thermister
- Primary blower could possibly fail in the attempt to engage full speed
- The AC and heat system may not initiate the starting sequence because of the thermistor that is malfunctioning
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