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

LCN 4021-REG LH 689 Heavy Duty Top Jamb Closer AL is engineered for both durability and performance in high traffic settings. This left-handed, regular arm door closer is specifically designed for institutional applications, ensuring reliable operation even in the busiest environments. The 4020 Series stands out for its fast and accurate installation, making it a preferred choice for professionals. This model features a non-sized cylinder adjustable for interior doors up to 4'6" and exterior doors up to 3'6", providing versatility for various door sizes. It mounts on the top jamb (push side) and is compliant with ADA requirements, ensuring accessibility for all users. The closer is UL and cUL listed, suitable for self-closing doors, and has been tested under ANSI Standard A156.4, grade one, guaranteeing its robustness. With a standard plastic cover and optional custom powder coat finishes, the 4021-REG can be tailored to fit diverse aesthetic preferences. Its cold weather fluid capability enhances performance in challenging climates. Backed by a 30-year limited warranty, this hydraulic closer is an investment in quality and reliability, making it an essential choice for commercial applications.

Heavy Duty Top Jamb Closer AL

Regular 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