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Carrier 48GS018040300 Limit Switch
A normal limit switch is a type of sensor switch in the heat exchanger that senses, or governs, when the air is actually warm enough for the air to begin normal home circulation. The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Key indicators that my limit switch really needs to be replaced?
- The heating and cooling system refuses to kick in or run well longer that five minutes
- The whole system is beginning to runs uneven repeatedly
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If you are going to be buying or ordering any Carrier 48GS018040300 part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct replacement limit switch is being ordered. The installing of a new limit switch is a piece of cake assuming you have the know-how and have the tools to do it right.
Feel free to download your manual for help.
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