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Carrier 58CTA04510012 Limit Switch
This is important 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. A normal limit switch is a type of sensor switch in the heat exchanger that can determine if and when the air is warmed to a point to activate the main blower.
Clues to watch for to know limit switch will not last the year
- The system begins to runs spotty from time to time
- Your Carrier system will not start nor will it stay running even though the desired temperature has not been attained
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