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Lennox G40UH-36C-110 Thermistor
A very basic thermistor is a certain type of resistor that has a swinging resistance varies depending on the current temperature. They notify the circuit board when a temperature has been reached. The control board reads the temperature throughout the whole system to do its job as it should.
Red flags your thermister is failing
- The system may not even begin to function due to any one failed thermistor
- Blower motor may fail in its attempt to begin full speed blowing
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Before buying or purchasing a replacement thermistor for your Lennox G40UH-36C-110, do your due diligence and make sure of the model number and also make a visual inspection in order to be sure the correct replacement thermistor is the one being purchased. There is no need to replace the part all by yourself. Find a professional in your area to replace the part.
Feel free to download your manual for help.
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