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Carrier 25HPA436A0030010 Limit Switch
A normal limit switch has a sensor located in the furnace that senses, or governs, when the heated air is warmed to a point to activate the main blower. 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.
What are the signs that the chief limit switch is about to go out?
- The heating and cooling system refuses to start or continue to run like it ought to
- The system is beginning to stop suddenly more than once
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Before you decide on buying or ordering, do your due diligence and make sure of the correct model and also make a visual inspection so that you are positive that the proper replacement limit switch is the one being purchased. If you are not sure about the correct way of installing the new limit switch on your own then it is probably best to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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