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FAQs

What is the part number for the ALK sign?

Resolution: The sign for exit alarm, ALK, is SIGN-1.:

Resolution: Only available replacement part is the LCN SEM7820-825 armature. The SEM7820-516 magnet coil might be able to use but may not be a direct replacement. :

Can a filler or cover plate be used to blank out a EPT prep on a fire rated frame?

Resolution: Yes, a filler plate can be used to cover an EPT prep as long as it is made from the same material as the frame. This information can also be found in NFPA 80 under Chapter 5 for Field Modifications.:

Can the 237 be used as LBR?

Resolution: The 237 device can't be used as LBR.:

What replaced the Falcon Z?

Resolution: The Falcon W replaced the Z lock in July 2006. The Z lock was a cylindrical chassis.:

Why can't I get my JD YA6 cylinder to install into an AD-Series lock?

Resolution: The JD YA6 tailpiece is intentionally designed such that the tailpiece cannot be installed at the same time as the cylinder. Interchangeable cylinders assume that the lever and taipiece is i...:

Can we use a pullman latch on a 5547 WDC?

Resolution: You cannot use the pullman latch/ES latch with 5547WDC exit device.:

Can the QEL be used on fire rated exit devices?

Resolution: Yes. QEL is an option for fire-rated devices. Consult the Von Duprin catalog for your exit device (website) for more information on device options. :

Explain the ND25 function

Resolution: The ND25 is an exit lock with no outside trim. The inside lever is always free for immediate egress.:

How do I obtain a non-standard release delay board for my Chexit?

Resolution: We can ship the customer 15, 30, or 15 second BOCA Chexit modules for installation in a currently installed device.To switch to any delay other than 15, 30, or 15 second BOCA requires&nbs...: