4110 Series Surface Mounted Door Closer

This exact LCN 4111-SHCUSH-AL-LH-SRI configuration is identified as Cast Iron Body, Door Closer, Size 1-5, Spring Hold Open Cush Arm, Left Hand, Aluminum (689), With Special Rust Inhibitor.

Primary field use

Control closing and latching on a compatible commercial or institutional swinging door

Fit check

Confirm closer series, spring range, door size and weight, mounting position, handing, arm and shoe, reveal, cover, finish, fire label, opening force, backcheck, delayed action, hold-open limitations, accessibility, and required fasteners before quoting.

Technician note

Closer selection and commissioning affect accessibility, positive latching, and life safety. Diagnose hinges, door balance, seals, air pressure, latch resistance, and the approved opening schedule before changing spring or valve settings.