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“ auxiliary latchbolt spring ”

Resolution: The spring itself is not replaceable, you would need to replace the 19 centercase assembly.:

What are the part numbers for the end case and latch case springs for the 88 rim?

Resolution: 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).:

At what degree will the AFL (Auxiliary Fire Latch) bolt release?

Resolution: 1400 degrees which is approximately 20 minutes after the fire starts.:

Where do I install my Auxiliary Fire Latch (AFL) in a Less Bottom Rod, Fire Rated (LBR-F) exit device?

Resolution: Installation should be 6" from bottom of the door. See attached templates as reference. T-5494 for HM Doors W-5494 for Wood Doors:

Does Von Duprin have a fire latch that will go into the floor?

Resolution: 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 ...:

AUXILIARY FIRE LATCH

Resolution: AFL:

AUXILIARY DEAD LATCH

Resolution: Deadlocking Latch Bolt:

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“ auxiliary latchbolt spring ”

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