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Goodman GMS80904BN Limit Switch
One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch has a sensor in the heating area that can determine if and when the air is warm enough for the blower to be activated.
Simple indications poorly running main limit switch
- System refuses to kick in or will not stay running even though the desired temperature has not been attained
- Your system is starting to runs uneven more often than not
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Before buying or purchasing, do your due diligence and cross-check the correct model as well as make a visual inspection in order to be sure the proper replacement limit switch is the one being purchased. If you are not sure about the properly replacing the limit switch by yourself then it would be in your best interest to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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