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LG AMNH123DEA0 Limit Switch
A normal limit switch is a switch in the heat exchanger that decides when the air is actually warm enough for the air to begin normal home circulation. Limit switches exist due to the fact that if the air inside the furnace is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Important signs critical limit switch is not going to last much longer
- The whole system begins to initiate and then stops more than once
- The heating and AC system will not begin or run like it is supposed to
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