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International Comfort Products NDN5050BFC1 Limit Switch
Limit switches were created 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. The limit switch has a sensor in the air handler that determines when the heated air is warmed to a point for the main blower to kick in and circulate the air.
Clues to watch for to know limit switch needs to be replaced
- Your International Comfort Products system will not begin or continue to run as it should
- The HVAC system is starting to act weird frequently
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