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Lennox G40DF-48C-110 Thermistor
A very basic thermistor is a specific kind of resistor which has a resistance that is directly proportioned to the amount of, or lack thereof, heat. The control board interprets the temperature in a few critical areas to do its job as it should. They inform the main board when the temperature has been reached.
Key signs of a failing all-important thermister
- The heating and AC system may not even start depending on which is the stuck thermistor
- Main blower may fail in its attempt to ramp up
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If you decide on picking up or ordering a replacement thermistor for your Lennox G40DF-48C-110, do your due diligence and make sure of the correct model as well as make a visual inspection in order to be sure the right thermistor is the one being purchased. If you are unsure about the installation of the new thermistor by yourself then it is probably best to find a professional in your area to do the work for you.
Feel free to download your manual for help.
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