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Lennox G40UH-36B-090 Limit Switch
Limit switches are crucial because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch in the air handler that senses, or governs, if and when the air is warmed to a point for the main blower to kick in and circulate the air.
Major warnings main limit switch will need to be replaced
- The system is beginning to behave differently occasionally
- The heating and cooling system is unable to start or run well for any length of time
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Before you decide on buying or purchasing any Lennox G40UH-36B-090 replacement part, do your due diligence and cross-check the model number as well as make a visual comparison so that you are positive that the right limit switch is the one being purchased. Once you have the part to replace the part all by yourself. Pay a professional in your town or city to replace the part.
Feel free to download your manual for help.
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