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Carrier 38BYG024 Limit Switch
This is important because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. The limit switch is a type of sensor switch located in the furnace that senses, or governs, when the air is warmed to a point for the air to begin normal home circulation.
Signs limit type switch should be replaced
- The heating and cooling system will not initiate or continue to run like it ought to
- The system is beginning to behave erratically on more than one occasion
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