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Carrier 48GS024040300 Limit Switch
One big reason why limit switches are designed that way is 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. A normal limit switch is a type of sensor switch in the heating area that senses, or governs, if and when the air is warm enough for the blower to be activated.
Key indicators that my limit type switch really is failing?
- The heating and AC system refuses to start or run longer than 30 seconds
- The system is starting to erratically occasionally
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