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Panasonic CU-E24NKUA Limit Switch
The limit switch has a sensor in the heating area that decides if and when the air is warm enough to activate the main blower. The reason limit switches exist is because if the warmed air is too cool then you will never get hot air through the ducts.
General warnings of a poorly performing critical limit switch
- The heating and AC system will not start nor will it stay running like it is supposed to
- The system starts to erratically from time to time
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