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Panasonic CS-E9NKUAW Limit Switch
Limit switches exist because if the air is not warm enough then you will never get hot air through the ducts. The limit switch is a switch in the air handler that decides when the air is warmed to a point that it can be circulated throughout the house.
Some clues limit switch will eventually need to be replaced
- The Panasonic system starts to run inconsistently more than once
- The HVAC system refuses to kick in or continue to run longer than 10 minutes
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