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Carrier FV4CNF003 Limit Switch
Limit switches exist because if the warmed air is too cool then the house will never get warm enough. The limit switch is a type of sensor switch located in the furnace that can determine if and when the air is warmed to a point that it can be circulated throughout the house.
Major warnings of a weak limit type switch
- System will not begin or continue to run for any length of time
- The system starts to initiate and then stops time after time
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If you decide on picking up or ordering a replacement limit switch for your Carrier FV4CNF003, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the proper replacement limit switch is being ordered. You do not need to install it yourself. Hire someone with experience in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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