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International Comfort Products GDJ050M12A1 Limit Switch
A normal limit switch has a sensor in the air handler that decides if and when the air is actually warm enough for the air to begin normal home circulation. Limit switches are crucial because if the air never warms up the you will lose all the heat as the air flows through the ducts.
What warnings should I watch out for to know if my limit type switch really is almost dead?
- The system begins to shut down unexpectedly on more than one occasion
- The heating and AC system refuses to kick in nor will it stay running as it should
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