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Carrier 38YXA030 Limit Switch
One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. A normal limit switch contains a sensor in the air handler that determines when the air is warm enough for the main blower to kick in and circulate the air.
Major symptoms critical limit switch will need to be replaced
- The whole system is starting to go through the startup sequence but stops quickly from time to time
- Your Carrier system will not initiate nor will it stay running for any length of time
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Before you decide on buying or ordering a replacement limit switch for your Carrier 38YXA030, 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 the one being purchased. There is no rule that says you have to install it yourself. Search for a pro in your community to pay to install it for you.
Feel free to download your manual for help.
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