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Samsung AM27A1C13 Limit Switch
The limit switch is a switch in the air handler that can determine when the air is actually warm enough to activate the main blower. A limit switch was crafted because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air.
General warnings of a laboring limit switch
- System will not begin or will not stay running like it is supposed to
- Your system starts to initiate and then stops more often than not
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