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International Comfort Products PAF036K000A Limit Switch
A normal limit switch has a sensor in the heating area that determines when the heated air is warm enough for the air to begin normal home circulation. Limit switches exist because if the air is not warm enough then the house will never get warm enough.
Simple indications to watch for in a bad limit type switch
- System will not begin the ignition sequence or will not stay running like it should
- Your system begins to shut down unexpectedly on more than one occasion
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