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NewAir AC-10100H Limit Switch
The limit switch is a type of sensor switch in the air handler that makes the determination when the heated air is warm enough for the blower to be activated. The reason limit switches exist is because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Important clues of a bad limit switch
- System is unable to start or continue to run longer that five minutes
- The system is beginning to run inconsistently repeatedly
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