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Carrier FY4ANF024000 Limit Switch
The reason limit switches exist is because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. The limit switch has a sensor in the heat exchanger that can determine when the heated air is actually warm enough to activate the main blower.
How do you know if your critical limit switch is not working right?
- The whole system is starting to act differently frequently
- The HVAC system will not begin or will not stay running for any length of time
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If you are going to be buying or ordering a new Carrier FY4ANF024000 replacement part, do your due diligence and make sure of the correct model and also make a visual inspection so that you are positive that the correct limit switch is the one being purchased. It is easy to replace a limit switch on your Carrier FY4ANF024000 so long as you know what you are doing and have the proper tools to replace it.
Feel free to download your manual for help.
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