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International Comfort Products NTC6150KJG1 Limit Switch
The limit switch has a sensor in the heat exchanger that decides when the air is actually warm enough so that it may be pushed through the ducts and out the vents. A limit switch was crafted because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air.
Major clues limit switch will soon need to be replaced
- The HVAC system will not even start or run longer than 10 minutes
- The system begins to stop suddenly more than once
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