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LG ARNU093SER2 Limit Switch
Limit switches exist 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 switch in the air handler that makes the determination if and when the air is warm enough for the air to begin normal home circulation.
How can I tell if my limit type switch really needs replacing?
- System will not even start or run well even though max temp has not been reached
- Your system starts to initiate and then stops frequently
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