Von Duprin 110WD-NL Nightlatch Cylinder Assembly, Wood Door Prep, For Von Duprin 22/55/88/98/99 Series Devices, Grade 1

The Von Duprin 110WD-NL Nightlatch Cylinder Assembly provides a secure exterior control option for wood door installations equipped with Von Duprin exit devices. Designed specifically for wood door prep, this Grade 1 assembly integrates a rim cylinder that retracts the latch for authorized entry while maintaining positive locking security when unlocked. It is engineered for compatibility with the popular Von Duprin 22, 55, 88, 98, and 99 Series exit devices, making it a versatile replacement or upgrade component. Built to demanding commercial standards, the 110WD-NL delivers reliable performance in high-traffic openings where controlled access and dependable operation are essential.

Features

• Nightlatch (NL) trim function allowing key-controlled retraction of the latch for entry.
• Configured for wood door preparation to ensure proper fit and mounting.
• Compatible with Von Duprin 22, 55, 88, 98, and 99 Series exit devices.
• Grade 1 construction for heavy-duty commercial durability.
• Rim cylinder assembly designed for consistent, long-term reliability.

Functional Details

The nightlatch function uses a key cylinder to retract the latchbolt from the exterior, permitting entry while the exit device continues to provide free egress from the inside. When the cylinder is not actuated, the door remains securely latched against unauthorized access.

• Nightlatch (NL) function: key retracts latch for entry.
• Free egress maintained at all times from the interior.
• Cylinder assembly for use on wood doors.

Included Components

The assembly includes the rim cylinder mounting hardware necessary for installation on wood doors prepared for Von Duprin exit devices.