night latch button

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The 98/99 rim and vertical rod exit devices are shipped with NL drive screw to function as a Night Latch. To convert the device to Class Room, remove the NL Drive Screw on 98/99 center case ass...
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...
Recommend to order a new 990NL-R/V or M trim to change from TP/Classroom function to NL/Storeroom function. You will also need to reinstall the NL drive screw back into into the mast...
We do not offer the 230L with night latch function. There is no conversion available.
To convert the Von Duprin 360L/TL from nightlatch to classroom or from classroom to nightlatch invert mortise cylinder cam.
Follow step 6 of the 18-R instructions to convert trim function to Night Latch(L-NL).
We do not offer a true night latch, storeroom or ANSI "03" function with this device. (Entrance by trim when latchbolt is retracted by key. Key removable only when locked.) This function would da...
The KIL Instructions will show you how to convert trim to Night Latch(NL) function.