auxiliary latchbolt spring

RELATED FAQS

Question
Answer
The spring itself is not replaceable, you would need to replace the 19 centercase assembly.
The part number for 88 rim end case spring is 090003-00 (PKG of 2) or 090080-00 (PKG of 10) and latch tail spring is 050393-00 (PKG of 10).
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
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 ...
AFL
Deadlocking Latch Bolt