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International Comfort Products N8MPN075B12A1 Limit Switch
The main reason limit switches are made is because if the warmed air is too cool then you will never get hot air through the ducts. A normal limit switch contains a sensor in the heat exchanger that senses, or governs, when the heated air is warmed to a point that it can be circulated throughout the house.
What signals that my limit switch most likely is in need of a replacement?
- The HVAC system is beginning to ramp up but then stops time after time
- The heating and cooling system will not even start or continue to run even though the desired temperature has not been attained
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