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FAQs

Why can't you have the -2SI with the QEL?

Resolution: If the QEL is powered, it defeats the security of the -2SI. They could use the -2SI Key to lock the lever, but the door would still be unsecure if the motor is powered and holding the la...:

Are the Von Duprin 249 strike screws available as a service item?

Resolution: The Von Duprin 249 strike screws are not available as a service item.:

Can we accommodate an 11ft door with the 9927 surface vertical rod device? (Not fire rated)

Resolution: We can go up to 12' standard with extension rods if not fire rated.:

What's the "throw" of the 9947 bottom latchbolt?

Resolution: The 47 bottom latch used with the 98/9947, 33/3547A, and 94/9547 Concealed Vertical Rod Exit Devices has a 5/8" throwThis latch can accommodate a maximum undercut (gap between the bottom of the doo...:

What is the center line of the 6111 strike prepped on a 4854 mullion?

Resolution: 39 11/16" Above the Finished Floor:

What is the screw size of the screws for attaching the sr swing filler or spindle plates?

Resolution: The screw size is 8-32 x ¼" Machine screw, 4 per plate-depending on length. :

What do I do if a 4640/4630 is making a grinding/scuffing noise?

Resolution: If you have a 4600 series auto operator that is making a squealing or grinding noise when trying to open the door this typically means the “Opening Force” option on the 4630/4640 is set too high..&...:

For a 4410ME what if the reveal is deeper than the specified 3 7/8" maximum?

Resolution: For a 4410ME to be used on a opening with a reveal greater than the maximum of 3 7/8” you could use ST-2482 or ST-2482-1. These STs are for a custom long arm when ordering you must speci...:

What is ST-2779?

Resolution: ST-2779 was obsoleted and made standard product on 3/22/21. You now order the 4111 Reg arm w/62A shoe.:

What are the 2 different fuses on the Benchmark controller?

Resolution: On the Control Box for the Benchmark series operators there are two fuses. They are labeled FT1 and FT2.FT1 is a 1 Amp slow blow fuse.FT2 is a 2.5 Amp fuse: