The Norton 410XTPN-690 is a rugged, cast iron door closer built for demanding commercial environments, offering a seamless retrofit solution for the LCN 4040XP. With fully adjustable spring tension, backcheck, and closing speeds, it delivers precision control and long-term reliability for both interior and exterior doors.

• Heavy-duty cast iron body with adjustable spring sizes 1–6 for tailored performance

• Tri-packed and non-handed design for universal installation on right or left doors

• Hold open and heavy-duty arms available to suit varied access requirements

• Compatible with retrofit applications including the LCN 4040XP closer

• ADA compliant and ANSI/BHMA A156.4 Grade 1 certified for safety and durability