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Carrier 42V Limit Switch
The limit switch contains a sensor in the heating area that determines 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 warmed air is too cool then the house will never get warm enough.
Easy warnings limit switch is in dire straights
- The system is beginning to behave erratically more often than not
- Your Carrier system refuses to start or run well longer than 10 minutes
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Before you decide on buying or ordering, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the correct replacement limit switch is being ordered. If you are not sure about the properly replacing the new limit switch on your own then it is probably best to contact a professional to do the work for you.
Feel free to download your manual for help.
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