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Carrier 50GS060300 Limit Switch
The limit switch is a switch in the heat exchanger that determines if and when the air is actually warm enough so that it may be pushed through the ducts and out the vents. Limit switches are built because if the warmed air is too cool then you will never get hot air through the ducts.
Main clues limit type switch will need replacing
- The system is starting to initiate and then stops more often than not
- The HVAC system is unable to start or run even though the desired temperature has not been attained
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