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International Comfort Products H9MPD080J16B1 Limit Switch
The limit switch contains a sensor in the heat exchanger that makes the determination when the heated air is warm enough for the main blower to kick in and circulate the air. Limit switches exist 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.
Simple signals limit switch should need replacing
- The International Comfort Products system starts to ramp up but then stops from time to time
- System will not start or run like it ought to
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Before buying or ordering, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the correct limit switch is the one being purchased. You do not need to replace the part all by yourself. Consult with a professional locally to pay to install it for you.
Feel free to download your manual for help.
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