difference between NL and NL-OP

RELATED FAQS

Question
Answer
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...
Night Latch (NL)= key retracts the latch momentarily to allow entry. When key is removed, the latch will extend and locks the door (momentary unlock). Class Room (Lock/ Unlock)= key unlocks...
The Von Duprin 98/99EO exit devices will accept any of the exterior trims that we offer for 98/99 exit devices without any extra parts. 996L, 996L-NL, 996L-DT, 996L-BE, 990NL, 990DT, and 110NL a...
The 388 Cylinder Control is required for the NL-OP function on a 33A/35A series exit devices. The 110NL is used on 22 and 98/99 series exit devices not 33/35A series devices.
This option is not available as there is no NL cam to directly drive the rods and using a key to lift the heavy stainless, brass or bronze rods would damage the key. 
This is possible: For metal doors prep door according to the 24R/V NL-OP Template or the 25R/V NL-OP Template and for wood doors use 24R/V NL-OP Wood Template or 25R/V...