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Carrier FX4CNF036000 Limit Switch
The limit switch has a sensor located in the furnace that decides when the air is warm enough so that it may be pushed through the ducts and out the vents. One big reason why limit switches are designed that way 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.
What happens when my limit type switch really is almost dead?
- The whole system is starting to behave erratically from time to time
- Your Carrier system will not initiate or run well even though max temp has not been reached
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If you are going to be buying or purchasing a new Carrier FX4CNF036000 replacement part do your best and double check the correct model as well as make a visual comparison in order to be sure the correct replacement limit switch is being ordered. Installation of a new limit switch is a piece of cake provided you have the know-how and have the tools to get it done.
Feel free to download your manual for help.
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