rehand classroom thumbturn

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The 09-900 mortise cylinder thumbturn has three handing options: right hand, left hand, and non-handed.  Handing of the cylinder is done by a check ball and spring placed in the housing a...
Also applies to the 09-900 XL12-196 mortise cylinder coin turn.
See table below for part numbers. Table 1: 09-900 part number variations
The following steps are required to convert the Von Duprin 98/9975L from classroom to night latch function: Order new 996L-NL-M trim and reset NL drive screw in mortise lockbody as set from...
The thumbturn for rose trim is specified by 09-509 and the Dim, see table below. Dimension Chart: 09-509 Thumbturn  Part Number     Door Range   Dim     09-509     1 3/8" ...
After installing a classroom deadbolt, there is potential for the thumbturn to project the bolt only, get stuck in one position, or move both directions but not move the bolt.  These are caused fro...
Von Duprin offers two options:The CDSI/HDSI Dogging Indicator provides an at-a-glance verification of the status of the door from inside of the room. Visible “LOCKED” and “UNLOCKED” indicators show...
Classroom Deadbolt Lock (ANSI Function: E0171 for B663/763/863 and D111, E0172 for B563 and D211 )Deadbolt thrown or retracted by key outside. Inside turn unit will retract bolt only. Bolt au...