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International Comfort Products C9MPD050F12C1 Limit Switch
Limit switches were created because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch in the heat exchanger that can determine when the heated air is warmed to a point for the air to begin normal home circulation.
Major symptoms of a laboring limit type switch
- System will not begin or run well like it ought to
- The system is starting to run erratically occasionally
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