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FAQs

What mortise lock has a logo with an E and three horizontal arrows?

Resolution: **TECH SUPPORT ONLY** The E with three arrows logo (below) is for EMHART. This product was a part of Corbin Russwin. :

What credentials are compatible with the NDEBSi and LEBSi locks?

Resolution: :

What is the new part number for the FE410 (Control) strike combination?

Resolution: Old part number 10-121 has been replaced with 10-152 (Standard – Combo, Square Corner 10-094 & 10-026). This part is not sold separately. :

What Schlage locks are compatible with the MIFARE DESFire Credentials (EV1, EV2 and EV3)?

Resolution: :

What is the difference between the LCN 4040XP Hold Open and Hold Open Long arms?

Resolution: The 4040XP Hold Open Arm has a Head and Tube that is 9” long and used for Top Jamb Mounting with reveals up to 2-9/16” The 4040XP Hold Open Long Arm has a Head and Tube that is 12” long and u...:

Is the LCN 4031 cylinder the same as the 4031T cylinder?

Resolution: No, Internally they are manufactured slightly different so they are not interchangeable. . :

What grade of closer is the Falcon SC90A series?

Resolution: The Falcon SC90A series closers are a A156.4 Grade 3 closer.:

Which Schlage lock has MA84 stamped on the lock chassis?

Resolution: The Schlage A knob series has MA84 stamped on the chassis housing and would be the 3rd or current generation of the A series lock. See picture.The Schlage A knob series has MA45 stamped on th...:

What is the minimum door width when using the 4110T?

Resolution: The minimum door width with standard templating is 27.5" without a vertical stop on the latch side frame. :

What is the minimum door width for the 4020T closer?

Resolution: 25 inches is the minimum door with without a special template. ST-3077 will allow you to mount a 4020T closer on a 12” door. This application requires special templating as well as special ar...: