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Carrier 48GX048090300 Limit Switch
One big reason why limit switches are designed that way is because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts. The limit switch is a switch located in the furnace that makes the determination when the heated air is actually warm enough to activate the main blower.
Symptoms to watch for in a failing limit switch
- The Carrier system begins to behave erratically frequently
- The heating and cooling system will not begin or will not stay running longer that five minutes
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If you are going to be buying or ordering a replacement limit switch for your Carrier 48GX048090300 do your best and double check the model number as well as make a visual inspection in order to be sure the right limit switch is the one being purchased. There is no need to install the replacement part alone. Look for a professional in your community to pay to install it for you.
Feel free to download your manual for help.
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