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Lennox 12CHP060 Thermistor
A thermistor is a thermal resistor, that has a swinging resistance is contingent on the temperature. The heating system needs to know the temperature in a few critical areas to make a decision on what needs to be done. They notify the HVAC system when a certain temperature reaches a certain point.
What symptoms are present when the main thermister is on its last leg?
- Blower fan could refuse in the attempt to ramp up
- The whole HVAC system may not function because of the inaccurate thermistor
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