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International Comfort Products T8MPN075F16A1 Limit Switch
Limit switches are built due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. A normal limit switch contains a sensor in the air handler that makes the determination when the heated air is warm enough so that it may be pushed through the ducts and out the vents.
Major symptoms of a declining critical limit switch
- The HVAC system will not begin the ignition sequence nor will it stay running longer than a minute
- The International Comfort Products system starts to act differently on a regular basis
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