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Lennox 10ACE-024 Thermistor
In an HVAC system, a thermistor is a certain type of resistor whose resistance fluctuates depending on the heat. The heating system reads the temperature in order to make sure everything is running smoothly. They convey to the circuit board when the temperature has been reached.
What signals that my all-important thermister is in need of replacing?
- The AC and heat system could never start up due to any one malfunctioning thermistor
- The main blower could possibly fail to begin to begin full speed blowing
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