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

LCN 4021-H RH 689 Heavy Duty Top Jamb Closer AL is engineered for high-traffic and institutional environments, ensuring reliable performance and durability. This right-handed, hold open arm door closer is designed to mount on the top jamb, making it an ideal solution for both commercial and residential applications where accessibility is paramount. The 4020 Series is recognized for its swift and precise installation, featuring a standard arm, a full plastic cover, and self-reaming screws for ease of setup. With adjustable sizing, this non-sized cylinder accommodates interior doors up to 4’6" and exterior doors to 3’6", meeting ADA requirements for accessibility. The closer allows a degree hold open of 140 degrees, enhancing convenience in busy settings. Constructed with a matte silver finish (689/US28), the closer not only blends seamlessly with a variety of decors but also stands up to wear and corrosion, thanks to optional finishes and a primer for harsh conditions. UL and cUL listed for safety, the 4021-H is tested under ANSI Standard A156.4, grade one, ensuring it meets the highest standards for quality and reliability. Backed by a 30-year limited warranty, this closer is a robust choice for any demanding environment.

Heavy Duty Top Jamb Closer AL

Hold Open Arm Door Closer, Right 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