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Carrier 48GS060090300 Limit Switch
A normal limit switch is a switch located in the furnace that makes the determination when the heated air is warmed to a point that it can be circulated throughout the house. A limit switch was crafted because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Simple indications of a deteriorating main limit switch
- The HVAC system will not begin or will not stay running like it should
- Your system is beginning to erratically more often than not
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