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International Comfort Products NAC030AKA1 Limit Switch
The limit switch has a sensor in the air handler that can determine if and when the air is warmed to a point for the air to begin normal home circulation. A limit switch was crafted due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts.
Warnings limit switch is in need of replacing
- System will not begin nor will it stay running as it should
- The HVAC system is beginning to become inconsistent more often than not
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