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Carrier 48XP030060300 Limit Switch
Limit switches are crucial because if the warmed air is too cool then you will never get hot air through the ducts. A normal limit switch has a sensor in the air handler that decides when the heated air is actually warm enough so that it may be pushed through the ducts and out the vents.
Major signs to watch for in a failing limit switch
- System will not start nor will it stay running like it ought to
- Your system begins to erratically on more than one occasion
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