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Carrier 38TKB042 Limit Switch
The limit switch contains a sensor in the air handler that makes the determination when the heated 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 due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts.
Major warnings limit type switch is failing
- The Carrier system is beginning to run inconsistently more than once
- System refuses to kick in or run for any length of time
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Before you decide on buying or purchasing a new Carrier 38TKB042 replacement part do your best and make sure of the correct model as well as make a visual inspection so that you are positive that the right limit switch is being ordered. Once you have the part to replace the part all by yourself. Pay a professional in your community to pay to install it for you.
Feel free to download your manual for help.
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