Norton CPS8501-689 CloserPlus Spring Architectural Surface Mounted Door Closer, Spring Parallel Arm Heavy Duty, Multi-Size 1 Thru 6, Plastic Cover, Grade 1, Non-Handed, US28 Aluminum Painted Finish

The Norton CPS8501-689 CloserPlus is a heavy-duty surface mounted door closer engineered for demanding commercial openings where reliable, adjustable control is essential. Built to Grade 1 standards, it features a spring parallel arm design that combines dependable closing performance with a compact mounting profile. The multi-size 1 through 6 spring power allows technicians to fine-tune closing force to match door width and traffic conditions, while the non-handed body simplifies installation on both left and right hand doors. Finished in a durable US28 aluminum painted coating and protected by a plastic cover, this closer delivers long-term service in institutional, retail, and high-use environments.

Features

• Heavy-duty cast iron closer body suited for high-frequency commercial applications.
• Multi-size spring power adjustable from size 1 through 6 for versatile door coverage.
• Non-handed design fits both left and right hand door installations.
• Spring parallel arm configuration for a clean, low-profile mounting appearance.
• Durable plastic cover protects internal components and finishes the installation.
• US28 aluminum painted finish for a professional, corrosion-resistant look.
• Grade 1 rated to meet the highest ANSI/BHMA performance criteria.

Arm Type Details

The CloserPlus Spring parallel arm mounts to the push side of the door, keeping the arm tucked close to the door and header for a neat, unobtrusive appearance. The spring parallel arm provides built-in resistance that helps absorb abusive opening forces, protecting the closer and door from damage in heavy-traffic settings while maintaining consistent, controlled closing action.

Included Components

Each unit ships with the closer body, spring parallel arm assembly, plastic cover, and the standard mounting hardware required for surface installation.