Description
The LCN 4021-3071 is a standard cylinder assembly for the LCN 4020 series door closer, designed for right-hand doors. This non-sized cylinder is adjustable for interior doors up to 4'6" and exterior doors up to 3'6", making it ideal for retrofit installations and applications requiring flexible door height compatibility. It meets ADA requirements and solves the need for reliable automatic door closing on medium-duty openings.
The 4021-3071 mounts to the top jamb on the push side and is compatible with standard 4020 series closers shipped with regular arm, plastic cover, and self-reaming fasteners. Available in powder coat or optional plated finishes, with SRI primer available for corrosive environments. As an authorized LCN dealer, E.D. Locks provides expert support for specification, finish selection, and installation guidance. Contact sales@edlocks.com or call 1-877-207-6067 for assistance.
Specifications
- Brand: LCN
- Model: 4021-3071
- Handing: Right Hand
- Material: Aluminum
- Interior Door Capacity: Up to 4'6"
- Exterior Door Capacity: Up to 3'6"
- Mount: Top Jamb (Push Side)
- ADA Compliant: Yes
- Certifications: UL, cUL, ANSI A156.4 Grade One
- Available Finishes: Powder Coat, Plated, SRI Primer