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International Comfort Products H9MPV125L20A1 Thermistor
A very basic thermistor is a type of resistor whose rated resistance changes as it depends on thermal temperature. The furnace or AC reads the temperature in some specific areas of the system to do its job as it should. They notify the HVAC system when a temperature has been reached.
Signs of an unhealthy all-important thermister
- Blower fan could fail in the attempt to begin full speed blowing
- The AC and heat system may not even begin to function depending on which is the failed thermistor
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