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International Comfort Products T9MPV075F12A1 Limit Switch
The reason limit switches exist is due to the fact that if the air inside the furnace is too cool the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor in the heating area that makes the determination when the air is warmed to a point so that it may be pushed through the ducts and out the vents.
What to see if the limit type switch really is failing?
- Your International Comfort Products system refuses to kick in or run for any length of time
- The HVAC system starts to behave differently from time to time
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