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Goodman GMS81155CN Limit Switch
Limit switches are built because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a type of sensor switch in the air handler that determines if and when the air is warm enough to activate the main blower.
Major symptoms limit switch should be replaced
- The whole system is starting to run erratically frequently
- Your Goodman system will not initiate or run well longer that five minutes
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If you are going to be buying or ordering any Goodman GMS81155CN part, do your due diligence and cross-check the model number and also make a visual inspection so that you are positive that the proper replacement limit switch is the one being purchased. There is no need to replace the part all by yourself. Hire a pro in your area to do it for you.
Feel free to download your manual for help.
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