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Samsung APC3240C Limit Switch
The limit switch has a sensor in the heat exchanger that decides if and when the air is warm enough so that it may be pushed through the ducts and out the vents. The reason limit switches exist is because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air.
What warnings are present when my limit type switch really is in need of replacing?
- The HVAC system begins to act differently time after time
- System will not initiate or will not stay running like it ought to
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