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Mitsubishi MUY-GE12NA Limit Switch
The limit switch is a switch in the heat exchanger that decides when the air is actually warm enough so that it may be pushed through the ducts and out the vents. One big reason why limit switches are designed that way is because if the air never warms up then you will never get hot air through the ducts.
Hints to watch for in a bad critical limit switch
- Your system is beginning to become unpredictable repeatedly
- System refuses to start or run well like it is supposed to
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