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Lennox G40DF-24A-045X Thermistor
A very basic thermistor is a specific kind of resistor that has a fluctuating resistance that is directly proportioned to temperature. They convey to the system control board when a temperature in increasing or decreasing. The control board reads the temperature throughout the whole system to make a decision on what needs to be done.
Major signs your thermister will eventually need to be replaced
- The whole system could possibly not even begin depending on which is the thermistor that is malfunctioning
- The system blower fails in the attempt to engage full speed spinning
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If you decide on picking up or purchasing any Lennox G40DF-24A-045X replacement part, do your due diligence and double check the model number as well as make a visual inspection in order to be sure the proper replacement thermistor is the one being purchased. There is no rule that says you have to replace the part all by yourself. Find a professional in your community to replace the part.
Feel free to download your manual for help.
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