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Carrier FY4ANF018000 Limit Switch
The limit switch contains a sensor in the heating area that decides when the air is actually warm enough that it can be circulated throughout the house. One big reason why limit switches are designed that way is because if the air never warms up then you will never get hot air through the ducts.
Major clues limit switch will have to be replaced
- Your Carrier system refuses to start or run well like it ought to
- The HVAC system begins to behave erratically on more than one occasion
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Before you decide on buying or ordering any Carrier FY4ANF018000 replacement part, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the proper replacement limit switch is being ordered. There is no need to install it yourself. Locate a pro in your town or city to replace the part.
Feel free to download your manual for help.
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