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International Comfort Products NTG3075FBA1 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a fluctuating resistance that is contingent on the temperature at its location. They tell the main board when a certain temperature in increasing or decreasing. The system control board needs to know the temperature in a few critical areas to do its job as it should.
Key indicators that my thermister is in need of a replacement?
- The system may not initiate the starting sequence because of the thermistor that is damaged
- The blower may refuse in its attempt to begin full speed blowing
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