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International Comfort Products GNL125N20C3 Limit Switch
One big reason why limit switches are designed that way is because if the air is not warm enough then the house will never get warm enough. The limit switch contains a sensor located in the furnace that can determine when the air is warm enough so that it may be pushed through the ducts and out the vents.
General warnings of a dying limit type switch
- System refuses to start or run well as it should
- The International Comfort Products system is beginning to act weird repeatedly
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