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International Comfort Products PHAD36N1K1 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a swinging resistance is altered by the amount of, or lack thereof, heat. They tell the heating and cooling system when a certain temperature has been reached. The HVAC system interprets the temperature in a few critical areas to do its job as it should.
Warnings of a worsening thermister
- The main fan could refuse to begin to engage full speed spinning
- The heating and cooling system may not initiate the starting sequence because of any inaccurate thermistor
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