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Goodman GMH80453AN Limit Switch
A normal limit switch is a switch located in the furnace that decides when the air is warm enough for the blower to be activated. Limit switches were created because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Clues of a poorly working limit type switch
- The system is starting to run inconsistently more often than not
- The HVAC system refuses to start or will not stay running longer than 30 seconds
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Before buying or purchasing a replacement limit switch for your Goodman GMH80453AN do your best and cross-check the correct model and also make a visual inspection so that you are positive that the correct limit switch is the one being purchased. The installing of the limit switch is not difficult if you have the know-how and have the tools to do it right.
Feel free to download your manual for help.
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