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Carrier FY4ANF042000 Limit Switch
This is important because if the air is not warm enough then you will never get hot air through the ducts. The limit switch is a switch located in the furnace that determines when the heated air is warm enough for the blower to be activated.
Major signs to watch for in a bad main limit switch
- The Carrier system starts to shut down unexpectedly on a regular basis
- System refuses to kick in or run longer that five minutes
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If you are going to be buying or purchasing a new Carrier FY4ANF042000 replacement part do your best and make sure of the correct model and also make a visual comparison in order to be sure the correct limit switch is the one being purchased. Installation of a new limit switch can be quite easy provided you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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