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Samsung AD26B1C13 Limit Switch
The limit switch has a sensor in the air handler that determines if and when the air is warmed to a point so that it may be pushed through the ducts and out the vents. The main reason limit switches are made is because if the air is not warm enough then the house will never get warm enough.
Signals of a laboring main limit switch
- The heating and AC system will not start or will not stay running longer than 10 minutes
- The system starts to initiate and then stops time after time
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