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International Comfort Products H9MPV125L20B1 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a fluctuating resistance that varies depending on the actual temperature is perceives. They inform the HVAC system when a certain temperature has been reached. The control board interprets the temperature in a few critical areas to do its job as it should.
Important signs your thermister will soon need to be replaced
- The initial sequence may not even begin to function depending on which is the failed thermistor
- Blower motor may refuse to begin to ramp up to full speed
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