what is difference between NL trim and classroom trim?

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996L trim is a standard Classroom Function lever set for the 98/99 panic devices.  The 996L-NL trim is a rigid lever for the 98/99 device where the key will retract the latch on the panic device bu...
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...
To convert the Von Duprin 98/99 Rim or Vertical (Rod or Cable) Exit Device with functional lever (996L-R/V) to act like a rigid lever (996L-NL-R/V) with key over ride follow these steps: Remove ...
Von duprin will supply the 996L and 996L-BE trims with RX switch. Von Duprin will not supply the 996L-NL and 996L-DT trims with RX switch because the switch monitors the lever movement and the leve...
Device would be ordered as a 25C-C as of June 2012.
The Von Duprin RX996L trim was released to standard order entry in May 2010. The Von Duprin 996L and 996L-BE trims can be ordered with RX switch. The 996L-NL and 996L-DT trims can not have the...
The Falcon C987 cylinder can be ordered with the #27 cam as it has a similar profile to the Schlage B520-731 cam for trims after 2/28/2011.
To convert the 373L to NL function, it requires NL cylinder plate, 050599 which would have been shipped with the 373L trim.
The 510L can be converted to a nightlatch 510L-NL by changing out a few parts to the trim. See 510L to 510L-NL conversion instructions for required parts that will need to be added/r...