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Lennox G40DF-60D-135 Limit Switch
A normal limit switch is a type of sensor switch in the air handler that decides when the heated air is actually warm enough for the air to begin normal home circulation. Limit switches are crucial due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts.
Clues to watch for to know limit switch is going to die
- The whole system starts to become unpredictable time after time
- The heating and cooling system will not start or continue to run longer than 30 seconds
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Before you decide on buying or ordering a new Lennox G40DF-60D-135 replacement part do your best and cross-check the correct model and also make a visual comparison in order to be sure the proper replacement limit switch is the one being purchased. You do not have to install it yourself. Consult with a professional in your community to do the job for you.
Feel free to download your manual for help.
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