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International Comfort Products N9MP1100F14A1 Limit Switch
The limit switch has a sensor in the air handler that makes the determination when the heated air is actually warm enough for the air to begin normal home circulation. The main reason limit switches are made is because if the air never warms up then the house will never get warm enough.
Major indications of a dying main limit switch
- The system is starting to behave erratically often
- Your International Comfort Products system will not start or run longer than 10 minutes
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