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FAQs

Is there a conversion kit for the Von Duprin 4954 mullion to accept an electric strike?

Resolution: You can order the Top Electrical Fitting & Cover (part number 050381), and prep the mullion for the electric strike. 050381 also includes the male and female wiring cables.:

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.: