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“ whats night latch ”

RELATED FAQS

Resolution: NL, Night Latch (key retracts latchbolt,), Key Retracts Latchbolt (Nightlatch):

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...:

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 I convert the Von Duprin 360L control from nightlatch to classroom function?

Resolution: To convert the Von Duprin 360L/TL from nightlatch to classroom or from classroom to nightlatch invert mortise cylinder cam.:

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 does the Von Duprin 98/99 rim or vertical rod exit device with lever trim convert from L to L-NL function?

Resolution: 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: R...:

Explain the holdback feature for the B250.

Resolution: The B250 Night Latch is a single cylinder deadlocking latchbolt where the latch is retracted by a key from the outside or by the inside thumbturn. Rotating the thumbturn and activating the hol...:

Can the Von Duprin 230L trim be converted to a Night Latch function?

Resolution: We do not offer the 230L with night latch function. There is no conversion available. :

Can an 18-R-L be converted to L-NL function in the field?

Resolution: Follow step 6 of the 18-R instructions to convert trim function to Night Latch(L-NL).: