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“
NIGHT LATCH CYLINDER
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RELATED FAQS
Question
Answer
How do you convert the Von Duprin 370 series controls to NL or night latch function?
Resolution:
You must have the Von Duprin NL Cylinder plate part number 967484-89 to convert the 370 series controls from classroom function to night latch function. If new installation, use the NL cylinde...:
NIGHT LATCH (OPTIONAL PULL)
Resolution:
NL-OP, Night Latch Cylinder Assembly - Optional Pull, Optional Pull:
How do I convert a 360L from NL to TL?
Resolution:
To convert the Von Duprin 360L/TL from Night Latch (NL) to Classroom (TL) or from Classroom (TL) to Night Latch (NL), invert mortise cylinder cam. :
Why would the 996L trim not lock or unlock when installed with 98 or 99EO?
Resolution:
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...:
How do you change the Von Duprin 990TP trim to NL function?
Resolution:
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...:
How can the Von Duprin 98/9975-L with 996L classroom trim function be converted as a night latch function in field?
Resolution:
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 se...: