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Carrier 50XP024300 Limit Switch
The reason limit switches exist is due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. The limit switch is a type of sensor switch in the heat exchanger that makes the determination when the air is actually warm enough to activate the main blower.
Key clues of a bad limit switch
- The system is beginning to become inconsistent occasionally
- System refuses to kick in or continue to run even though the desired temperature has not been attained
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If you are going to be buying or purchasing do your best and cross-check the correct model and also make a visual comparison in order to be sure the correct limit switch is the one being purchased. You do not need to install it yourself. Find a professional in your community to pay to install it for you.
Feel free to download your manual for help.
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