Emtek 5122HLOUS4LH Helios Lever Keyed Entry Left Hand

Product Description

The EMTEK 5122HLOUS4LH is a left-hand Helios lever keyed entry set finished in Satin Brass and mounted on a square rose. It is designed for residential entry doors and provides both latching and keyed locking functions in a single hardware package. The lever accommodates two standard backset options — 2-3/8 inches and 2-3/4 inches — making it compatible with the most common door prep configurations. The square rose gives the trim a clean, architectural profile suited to modern and transitional interior design schemes. Installation is performed by a finish carpenter, locksmith, or experienced general contractor.

This keyed entry lever set is intended for exterior or interior entry doors in residential applications where a keyed lock cylinder is required. It fits doors ranging from 1-3/8 inches to 2-1/16 inches in thickness, covering the full range of standard residential door stock. The Satin Brass finish coordinates with a broad range of door and casing hardware. The square rose trim style suits contemporary, transitional, and modern-traditional design themes commonly specified in residential new construction and renovation projects.

Key Features

• Left-hand lever orientation for correct operation on left-hand swing doors
• Accepts both 2-3/8 inch and 2-3/4 inch backsets to fit standard door prep
• Compatible with door thicknesses from 1-3/8 inches to 2-1/16 inches
• Keyed entry function provides exterior-grade locking with cylinder on exterior side
• Square rose trim profile offers a clean, architectural appearance
• Satin Brass finish for a warm, low-sheen metal look

Compatibility

Designed for residential keyed entry applications on doors from 1-3/8 inches to 2-1/16 inches thick, with 2-3/8 inch or 2-3/4 inch backset door prep. Left-hand swing doors only.

Installation Notes

Installation is typically performed by a licensed locksmith, finish carpenter, or qualified general contractor. Before installation, confirm door hand orientation and backset measurement to select the correct latch. Ensure the door bore and cross-bore are properly sized for the hardware before mounting. Follow local building codes for keyed entry hardware on egress doors.