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FAQs

Is the -169 bumper assembly the same across all LCN series closers?

Resolution: Yes, the -169 bumper assembly is the same across all LCN series closers that have this optional offering. Here is the list of closers that offer this optional offering: 1450T, 1460...:

What door hardware is FEMA approved for Steelcraft Paladin Tornado doors and frames?

Resolution: For a current list of approved door hardware, please refer to Tornado section of the Steelcraft Tech Data Manual, which can be found here. Within this section you will find the followi...:

Is there an ALX25?

Resolution: TheALX25 launched 1/5/2026. A Grade 1 alternative is available in the ND series as the ND25. :

What is the difference between QEL and Chexit?

Resolution: QEL is the motorized latch retraction option for Von Duprin exit devices. QEL is used when automatic latch retraction is needed, such as when used with access control so that the door can b...:

How to change M996L from fail safe to fail secure with Chexit?

Resolution: The Von Duprin M996L lever ships Fail Safe by default.If fail secure operation is needed for M996L, this can be completed in the field. Follow These Steps: .1. On the back of the M...:

What is the difference between Chexit, RCM and DE5300

Resolution: Chexit, Remote Chexit Module (RCM) and DE5300 are all delayed egress options for Von Duprin.The door opening size is the primary factor for selecting one of these options. Other f...:

What are all exit device abbreviations?

Resolution: Von Duprin 98/99 exit device abbreviations can be found in the product catalog. CLICK HERE for 98/99 catalog. Most of the abbreviations found on a Von Duprin exit device box label...:

Does the 4030T closer have any drop plates available for it?

Resolution: No, the 4030T does not have any available standard drop plates. Please Note: We do have an ST for the 4030T pull side top jamb, ST-3481, which incorporates the 4030-18TJ plate. ...:

What Zero products to I use to improve acoustic (STC) ratings?

Resolution: In many homes and buildings, there is a need for sound control solutions. Examples are hospital rooms, therapy offices and sound studios to name just a few. There are numerous variables t...:

How to troubleshoot Wi-Fi Connectivity issues.

Resolution: Issues communicating with a lock or Wi-Fi adapter can come from a few different sources, please follow the below troubleshooting steps to resolve connectivity issues. Mobile Device B...: