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Carrier 38GS Limit Switch
This is important due to the fact that if the air never warms up inside the exchanger 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 heated air is actually warm enough to activate the main blower.
What are the clues to watch out for to know my main limit switch has to be replaced?
- System refuses to kick in or will not stay running longer than a minute
- The Carrier system is beginning to become unpredictable frequently
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If you are going to be buying or purchasing, do your due diligence and make sure of the correct model as well as make a visual comparison so that you are positive that the proper replacement limit switch is the one being purchased. It is easy to replace a limit switch on your Carrier 38GS as long as you are handy and possess the time and energy needed to do the job right.
Feel free to download your manual for help.
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