Emtek C5109ROUUS19 Round Knob Passage Set Flat Black

Product Description

The EMTEK C5109ROUUS19 is a round knob passage set finished in Flat Black, designed for interior doors where a latch function is needed without locking. It includes a disk rose trim and a 2-3/8 inch backset, making it compatible with standard interior door prep. The set ships with a Clickfree (CF) mechanism, which simplifies installation by eliminating the need to adjust the chassis by hand. This hardware is intended for licensed contractors, finish carpenters, and skilled installers working on residential or light commercial interior door applications.

This passage set is suited for interior doors ranging from 1-3/8 inches to 1-3/4 inches in thickness. Typical applications include hallway doors, closet doors, and other interior passages where privacy hardware is not required. The Flat Black finish coordinates with contemporary, industrial, and transitional design schemes. The disk rose profile provides a low-profile, clean-edged trim appearance at the door face.

Key Features

• Passage function — latch operation with no lock, suitable for hallways and closets
• 2-3/8 inch backset fits standard interior door bore preparation
• Compatible with door thicknesses from 1-3/8 inches to 1-3/4 inches
• Clickfree (CF) mechanism for tool-free chassis adjustment during installation
• Disk rose trim for a clean, low-profile appearance at the door face
• Flat Black finish suited for contemporary and transitional interiors

Compatibility

Designed as a passage set replacement or new-installation fitting for interior doors with a thickness of 1-3/8 inches to 1-3/4 inches and a standard 2-3/8 inch backset bore preparation.

Installation Notes

Installation is performed by finish carpenters or general contractors as part of interior door hardware work. Power down any electronic components in the door assembly before beginning. Verify door thickness and backset measurement before installing the latch body to ensure proper fit. Follow local building codes for hardware installation on egress-adjacent interior doors.