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Carrier 50ZP060300 Limit Switch
Limit switches are built because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch in the air handler that decides if and when the air is actually warm enough for the air to begin normal home circulation.
Some clues of a faulty main limit switch
- The Carrier system is starting to stop suddenly repeatedly
- The HVAC system will not initiate or run as it should
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