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Lennox XP16-024 Thermistor
A very basic thermistor is a thermal resistor, that has a varied resistance that is directly proportioned to the amount of, or lack thereof, heat. They inform the heating and cooling system when the temperature has been reached. The main control board reads the temperature throughout the whole system to do its job correctly.
What to see if the system thermister is about to stop working?
- The whole HVAC system may never begin depending on which is the bad thermistor
- Primary blower could possibly fail in its attempt to ramp up to full speed
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