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Carrier FV4CNB005 Limit Switch
The reason limit switches exist is 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. The limit switch contains a sensor located in the furnace that determines when the air is actually warm enough for the air to begin normal home circulation.
What are some indications that my limit type switch really is almost dead?
- The heating and cooling system will not even start or will not stay running longer that five minutes
- The Carrier system starts to behave differently more often than not
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If you are going to be buying or purchasing a replacement limit switch for your Carrier FV4CNB005, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the proper replacement limit switch is the one being purchased. Once you have the part to install the part by yourself. Consult with a professional locally to do the job for you.
Feel free to download your manual for help.
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