Von Duprin 9847NL-OP-3 Concealed Vertical Rod Exit Device, Nightlatch Function, 36 Inch Device, 80-100 Inch Door Height

The Von Duprin 9847NL-OP-3 is a concealed vertical rod exit device built for demanding commercial openings where both security and clean aesthetics matter. Part of the trusted 98/99 Series, this 36-inch device is designed for doors measuring 80 to 100 inches in height, with the vertical rods and latches hidden inside the door for a streamlined look and added tamper resistance. Configured with the nightlatch (NL) function and an optional (OP) pull trim preparation, it allows key-retracted latch entry from the exterior while providing reliable free egress from the inside. Engineered for heavy-duty, high-traffic environments, it delivers dependable performance day after day.

Features

• Concealed vertical rod design conceals rods and latches within the door for a clean appearance and improved security.
• Nightlatch (NL) function allows latch retraction by key from the outside for controlled entry.
• Sized for 36-inch wide devices covering door widths up to 3 feet.
• Accommodates tall door applications from 80 to 100 inches in height.
• Heavy-duty construction suited for high-use commercial and institutional openings.
• Fluid dampener provides quiet, smooth touchpad operation.

Functional Details

The nightlatch function provides secure entry control: the outside trim remains locked, and a key is used to retract the latch for access, while the inside push bar always allows immediate, free egress.

• NL - Night Latch: Key retracts latch
• OP - Optional pull / trim preparation only

Included Components

This device ships as a complete concealed vertical rod exit device assembly, including the touchpad rail, top and bottom concealed latch mechanisms, and vertical rods sized for the specified door height.