Sargent LC-12-8904-F-ETJ Fire Rated Mortise Exit Device, Night Latch, For 33-36" Dr Widths, Less Cylinder

The Sargent LC-12-8904-F-ETJ is a fire-rated mortise exit device built for high-traffic commercial openings that require dependable security and code compliance. Designed for doors measuring 33 to 36 inches wide, this device features a night latch (ETJ) trim function, allowing key-operated entry from the exterior while providing free egress from the inside. The "LC" designation indicates it ships less cylinder, giving you the flexibility to install your preferred mortise cylinder. With its robust mortise lock body and fire label rating, this exit device is ideal for institutional, educational, and commercial facilities where life safety and durability are priorities.

Features

• Fire-rated mortise exit device suitable for labeled door assemblies.
• Night latch (ETJ) function allows key retraction of the latch from the outside.
• Sized for doors 33 to 36 inches in width.
• Ships less cylinder for cylinder flexibility during installation.
• Heavy-duty mortise lock body engineered for long-term commercial use.
• Provides free, unobstructed egress at all times for life safety compliance.

Functional Details

The night latch function operates by allowing a key to retract the latchbolt from the exterior, while the interior push rail always permits free egress. When unlocked, the door can be pulled open from outside; when locked, exterior access requires a key.

• Night Latch - Key outside retracts latch. No outside trim when exit device is dogged.
• Free egress at all times from the inside.

Arm Type Details

The ETJ trim designation refers to the night latch escutcheon trim with a J-style lever pull, providing a secure keyed entry option paired with the mortise exit device. The trim mounts to the exterior face of the door and works in conjunction with the mortise lock body.

Included Components

This device includes the fire-rated mortise exit device chassis, ETJ night latch trim with lever, and mounting hardware. A compatible mortise cylinder must be ordered separately due to the less cylinder configuration.