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

LCN 4021-H LH 689 Heavy Duty Top Jamb Closer AL is a robust hold open arm door closer designed for left-handed applications, making it an ideal choice for institutional and high-traffic environments. This top jamb mounted closer excels in durability and performance, ensuring reliable operation in commercial settings. The 4020 Series features a non-sized cylinder adjustable for interior doors up to 4'6" and exterior doors up to 3'6", accommodating a variety of door sizes. With a degree hold open and swing of 140 degrees, this closer promotes easy access while maintaining safety standards, as it meets ADA requirements. Installation is straightforward, thanks to its fast and accurate design. Constructed with a full plastic cover, the closer offers a sleek matte silver finish (689/US28), with options for custom powder coat finishes for a tailored look. It is UL and cUL listed and has been rigorously tested under ANSI Standard A156.4, grade one, ensuring it meets the highest industry standards for quality and reliability. With a limited 30-year warranty and features like cold weather fluid compatibility, the LCN 4021-H is built to provide long-lasting performance in demanding applications, making it an essential addition to your door hardware solutions.

Heavy Duty Top Jamb Closer AL

Hold Open Arm Door Closer, 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