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Carrier 50AH Limit Switch
A normal limit switch has a sensor in the air handler that determines if and when the air is warmed to a point for the blower to be activated. Limit switches exist because if the warmed air is too cool then the house will never get warm enough.
Key clues of an ailing limit type switch
- Your Carrier system will not initiate nor will it stay running longer than 30 seconds
- The system begins to ramp up but then stops from time to time
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If you decide on picking up or purchasing a replacement limit switch for your Carrier 50AH, do your due diligence and cross-check the correct model and also 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 the part by yourself. Consult with a professional in your community to do the job for you.
Feel free to download your manual for help.
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