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

LCN 4021-REG LH 689 DEL Heavy Duty Top Jamb Closer AL is engineered for high-traffic environments, making it an ideal choice for institutions and commercial facilities. This regular arm door closer features a delayed action mechanism, ensuring smooth operation while meeting ADA requirements. Designed for left-handed installations, the 4021 model is a part of LCN's renowned 4020 Series, recognized for its durability and ease of installation. It accommodates interior doors up to 4’6" and exterior doors up to 3’6", providing flexibility for various applications. The closer mounts on the top jamb (push side) and includes a standard plastic cover along with self-reaming screws for a straightforward setup. With a robust grade one certification under ANSI Standard A156.4, this closer guarantees reliability and performance. The 4021 is available in a matte silver finish (689/US28) and offers optional custom powder coating for aesthetic versatility. Additionally, it is UL and cUL listed, ensuring safety and compliance in demanding conditions. For installations in corrosive environments, an optional SRI primer can be selected. Backed by a 30-year limited warranty, the LCN 4021 is your ultimate solution for heavy-duty door control that combines functionality with long-lasting performance.

Heavy Duty Top Jamb Closer AL

Regular Arm Door Closer, Delayed Action, 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