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Amcor AWS090HR Limit Switch
A normal limit switch is a type of sensor switch in the heat exchanger that makes the determination when the air is warm enough for the blower to be activated. The main reason limit switches are made is due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough.
Clues limit switch is in need of replacing
- The HVAC system refuses to kick in or run longer than 30 seconds
- The system begins to become unpredictable frequently
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