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International Comfort Products T8DNL050B12A1 Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose resistance varies depending on the amount of, or lack thereof, heat. The HVAC system needs to know the temperature in a few critical areas to be sure everything is going well. They can tell the circuit board when a temperature has been reached.
Subtle cues of a deteriorating all-important thermister
- The system blower could never begin to begin to ramp up
- The whole system may not initiate the starting sequence depending on which is the thermistor that is damaged
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