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Mitsubishi MUY-GE18NA 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, then the house will never get warm enough. A normal limit switch is a switch in the heat exchanger that determines when the heated air is warmed to a point for the main blower to kick in and circulate the air.
Hints critical limit switch will need to be replaced
- The whole system starts to act weird repeatedly
- The heating and AC system will not even start or run well like it should
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