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Carrier 38ESA048 Limit Switch
The limit switch is a switch in the air handler that makes the determination when the heated air is actually warm enough for the blower to be activated. This is important because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Easy warnings limit type switch will need to be replaced
- The HVAC system will not initiate or continue to run even though max temp has not been reached
- The HVAC system is beginning to become inconsistent time after time
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