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Panasonic CU-KS18NKU Limit Switch
The limit switch is a switch located in the furnace that senses, or governs, if and when the air is warmed to a point so that it may be pushed through the ducts and out the vents. The main reason limit switches are made is due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air.
Signals of a poorly working critical limit switch
- Your Panasonic system refuses to kick in or continue to run for any length of time
- The system begins to stop suddenly frequently
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