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Carrier 48GX030040300 Limit Switch
Limit switches are crucial because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a type of sensor switch located in the furnace that determines if and when the air is warm enough for the main blower to kick in and circulate the air.
Clues to watch for to know limit switch has to be replaced
- Your system begins to shut down unexpectedly repeatedly
- The heating and AC system is unable to start or run well longer than 10 minutes
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Before buying or purchasing any Carrier 48GX030040300 replacement part, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the proper replacement limit switch is the one being purchased. HVAC professionals may charge higher prices than others so you may want to ask around to find a good deal if money is a concern.
Feel free to download your manual for help.
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