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“ What does Von Duprin mean by OP? ”

Resolution: This option is not available as there is no NL cam to directly drive the rods and using a key to lift the heavy stainless, brass or bronze rods would damage the key. :

Does Von Duprin supply the 9875, 9975, 9875-F and 9975-F mortise exit devices with NL-OP trim function?

Resolution: For night latch function with pull by others, the 98/99 series mortise exit device should be ordered as NL less trim, e.g., 9875NL-L/TRIM. We will furnish a device only, and the mortise cyl...:

Von Duprin Chexit device keeps going into alarm by itself.

Resolution: Chexit devices shipped with solenoid prior to 8-24-2015. 1. When Chexit device is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes...:

Do I have to use the 388 to get NL-OP on a 33A/35A series device?

Resolution: The 388 Cylinder Control is required for the NL-OP function on a 33A/35A series exit devices.The 110NL is used on 22 and 98/99 series exit devices not 33/35A series devices.The 33A/35A de...:

Can a 24-R, 24-V, 25-R, or 25-V device use just a cylinder on the pull side for NL-OP function?

Resolution: This is possible. A rim cylinder with cylinder anchor plate is used (anchor plate provided with rim cylinder package). No other special components are required. Order device as NL-OP.&...:

Where is the template for the 25C NL-OP?

Resolution: The NL-OP function for 25-C uses the 718C trim, so template T-2211 for metal doors and W-2211 for wood doors for 718 trims prior to 2/28/2011. T-2211 for trims prior to 2/28/2011 W-2211 for...:

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“ What does Von Duprin mean by OP? ”

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