LCN 4021-REG LH 689 SRI Heavy-Duty Top Jamb Door Closer AL

LCN 4021-REG LH 689 SRI Heavy Duty Top Jamb Closer AL is designed for superior performance in high traffic environments, making it an ideal choice for institutional settings. This regular arm door closer features a special rust inhibitor, ensuring durability even in corrosive conditions. Engineered specifically for left-handed applications, the 4021 model is top jamb mounted on the push side, providing reliable functionality. With a non-sized cylinder that accommodates interior doors up to 4'6" and exterior doors up to 3'6", this closer meets ADA requirements, ensuring accessibility for all users. The installation process is fast and efficient, allowing for quick setup without compromising quality. The standard model comes with a full plastic cover and includes self-reaming and tapping screws for convenience. The 4020 Series is UL and cUL listed, tested under ANSI Standard A156.4, grade one, ensuring compliance with industry standards. It is available in a matte silver finish, with options for custom powder coating and plated finishes on the metal components. Backed by a 30-year limited warranty, the LCN 4021-REG LH is a dependable, long-lasting solution for your commercial door hardware needs.

Heavy Duty Top Jamb Closer AL

Regular Arm Door Closer, Special Rust Inhibitor, Left Hand, Aluminum

The 4020 is LCN's best performing top jamb mounted heavy duty surface door closer designed for institutional and other high traffic applications.

The 4020 Series is designed specifically for high traffic applications.

LCN's 4020 Series is their best performing heavy duty closer that is known for its fast and accurate installation.

• Standard 4020 series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws. See the Options tab for options.
• Sized cylinders for interior doors to 5’0” and exterior doors to 4’0”.
• Non-sized cylinder (4021) adjustable for interior doors to 4’6” and exterior doors to 3’6”.
• Closer mounts top jamb (push side), specify right or left swinging door.
• 4021 cylinder meets ADA requirements.
• Standard or optional custom powder coat finish.
• Optional plated finish on metal cover, arm and fasteners.
• Optional SRI primer for installations in corrosive conditions is available with powder coat only.
• The 4020 Series is UL and cUL listed with regular or fusible link arms for self-closing doors.
• Tested and certified under ANSI Standard A156.4, grade one.

Resources

• 4020 Series Surface Mounted Closers Cut Sheet
• LCN 4000 Series Catalog
• LCN 4010, 4020 & 4110 Door Closer w/ Fusible Link Arm Installation Guide
• LCN 4020 Series Cut Sheet
• LCN 4020 Series Installation Instructions
• LCN Closers & Auto Operators Installation Guide
• Von Duprin Finishes Chart