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Fujitsu AOU24RLXFZ Limit Switch
A normal limit switch is a type of sensor switch in the heating area that determines when the air is warmed to a point for the blower to be activated. Limit switches are built because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Signs limit type switch has to be replaced
- System will not begin nor will it stay running longer than 30 seconds
- The system is starting to erratically occasionally
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