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Goodman AMS Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that decides when the heated air is warmed to a point for the air to begin normal home circulation. 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.
Major indications of an unhealthy limit switch
- The system is starting to go through the startup sequence but stops quickly frequently
- System will not begin nor will it stay running for any length of time
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Before you decide on buying or ordering a new Goodman AMS replacement part do your best and cross-check the correct model as well as make a visual inspection so that you are positive that the correct replacement limit switch is the one being purchased. Make safety your number one priority when you replace or install any part of a heating or cooling system. If you are not sure what to do then call a pro. Stay safe.
Feel free to download your manual for help.
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