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Goodman GMV950905DX 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. The limit switch is a switch located in the furnace that senses, or governs, when the heated air is warm enough for the air to begin normal home circulation.
Clues to watch for to know limit type switch has very little life left
- System will not even start or run longer than a minute
- The system begins to ramp up but then stops on more than one occasion
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