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Samsung AM18A1C09 Limit Switch
A normal limit switch has a sensor located in the furnace that makes the determination when the heated air is warm enough for the blower to be activated. Limit switches exist because if the air never warms up then you will never get hot air through the ducts.
Do you know if your main limit switch is dying?
- The Samsung system begins to erratically often
- The heating and cooling system will not initiate or run for any significant length if time
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