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Goodman GMH80905CN Limit Switch
A normal limit switch contains a sensor in the heat exchanger that determines when the air is actually warm enough to activate the main blower. The reason limit switches exist is due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough.
Red flags of a defective limit type switch
- Your Goodman system is unable to start nor will it stay running for any significant length if time
- The Goodman system is beginning to stop suddenly from time to time
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Before buying or ordering any Goodman GMH80905CN part do your best and double check the correct model and also make a visual inspection so that you are positive that the correct replacement limit switch is the one being purchased. Installation of a new limit switch is a breeze if you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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