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FAQs

Is the Von Duprin 2' door device provided with a UL label?

Resolution: The Special Von Duprin 2' door device as of 02-07-14 is now shipped with UL Panic Hardware label or UL Fire Exit Hardware label. The 2’ devices are most commonly used in...:

What cylinder do I use on a Von Duprin Keyed Removable Mullion?

Resolution: see installations instructions here :

Is there a mechanical push button trim for 98/99 rim device?

Resolution: Von Duprin does not make a mechanical push button trim to work with 98/99 rim device.:

What cylinder is used for the Von Duprin -2 double cylinder function?

Resolution: The 98/99 rim device can be converted to double cylinder 98-2 or 99-2.Double cylinder features an inside key cylinder which locks or unlocks the outside trim (Classroom Function) and an&n...:

What is the center line offset for the Von Duprin 6211 with the Schlage L 9000 mortise lock?

Resolution: The center line of the L9000 mortise lock is 7/8" above the center line of the 6211 electric strike. This is the "A" dimension given on the third page of the 6211 template.:

Can you mount the ND170 back to back?

Resolution: The ND172 (double dummy) was introduced in May 2019 and can be used in place of two (2) ND170's mounted back to back :

What would cause a PS873 power supply to put out higher than 24Vdc?

Resolution: The regulator on the main PS873 circuit board has failed. Replace the PS873 with PS914 power supply.:

When should I update the firmware in my AD Series or CO Series products?

Resolution: Steps to determine what firmware version your products are currently using AND if a firmware update is suggested: 1) Use the Hand Held Device (HHD) and Schlage Utility Software (SUS) applicat...:

What is the Ives invisible latch replacement for the Glynn Johnson AA, BB and AP2 latches?

Resolution: The Ives version is the same as old Glynn-Johnson versions.:

Do the Von Duprin 5654 and 5754 mullions have edging that accepts weatherstripping?

Resolution: The 5654 and 5754 mullions have mullion edging that accepts weatherstripping. The weatherstripping is included with both mullions and is already attached to the mullion edging on new 5654 and 57...: