auxiliary fire bolt

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Auxiliary fire latch is tested only from door to door latching by Von Duprin. Some door manufacturers have tested our devices LBR and use additional fire latches to pass the fire test. Contact the ...
1400 degrees which is approximately 20 minutes after the fire starts.
Installation should be 6" from bottom of the door. See attached templates as reference.  T-5494 for HM Doors W-5494 for Wood Doors
AFL