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Can you convert the Von Duprin 7500 lock from classroom to nightlatch function?

The 7500 lock can be converted from classroom function to nightlatch by changing the lever trim from 996 L M to 996 L - NL M.  

Also, the small screw inside the lock body must be extended back into the small hole in the side of the lock body so the mortise cylinder cam will retract the latchbolt when turning the key.  


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