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International Comfort Products NHP018AKA1 Limit Switch
The main reason limit switches are made is due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. The limit switch has a sensor located in the furnace that can determine when the heated air is warm enough so that it may be pushed through the ducts and out the vents.
Signs of a declining limit switch
- Your system starts to initiate and then stops more often than not
- Your International Comfort Products system will not start or will not stay running longer than 30 seconds
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