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Samsung AVMBC052CA0 Limit Switch
A normal limit switch has a sensor located in the furnace that determines when the air is warm enough so that it may be pushed through the ducts and out the vents. Limit switches are built because if the air is not warm enough then the house will never get warm enough.
Key signs of a failing main limit switch
- Your system is starting to become inconsistent on a regular basis
- System will not start or run well longer than 30 seconds
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