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International Comfort Products N8MPL125J20A1 Limit Switch
A normal limit switch has a sensor in the air handler that determines if and when the air is actually warm enough for the blower to be activated. 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.
What happens when my limit type switch really is in need of a replacement?
- The system starts to runs uneven on a regular basis
- System will not start or run for any significant length if time
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