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Carrier 48XZN048115300 Limit Switch
A normal limit switch has a sensor in the heat exchanger that senses, or governs, when the air is actually warm enough for the main blower to kick in and circulate the air. The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Red flags of an inadequate limit type switch
- The HVAC system will not start or run well longer that five minutes
- The whole system begins to behave differently from time to time
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Before buying or ordering any Carrier 48XZN048115300 part, do your due diligence and double check the model number and also make a visual inspection so that you are positive that the proper replacement limit switch is being ordered. You do not need to install the part by yourself. Look for a professional in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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