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Lennox G40UH-24A-045 Limit Switch
A normal limit switch contains a sensor in the air handler that determines when the air is warmed to a point to activate the main blower. Limit switches are built because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
Easy warnings of a poorly performing main limit switch
- The system begins to runs uneven frequently
- System refuses to kick in or continue to run like it should
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Before buying or ordering any Lennox G40UH-24A-045 part, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the correct limit switch is being ordered. If you are not sure about the correct way of installing the new limit switch by yourself then it may be wise to consult a pro to do the replacement of the part.
Feel free to download your manual for help.
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