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Lennox G40DF-24A-045X Limit Switch
This is important due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. The limit switch has a sensor located in the furnace that decides when the heated air is warmed to a point for the air to begin normal home circulation.
What symptoms are present when the limit switch really needs to be replaced?
- The whole system begins to erratically on more than one occasion
- The HVAC system is unable to start nor will it stay running like it is supposed to
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Before you decide on buying or ordering a new Lennox G40DF-24A-045X replacement part, do your due diligence and make sure of the model number as well as make a visual comparison so that you are positive that the correct replacement limit switch is the one being purchased. Once you have the part to install it yourself. Find a professional locally to do the job for you.
Feel free to download your manual for help.
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