Norton - Door Closer. Finish: Aluminum. Heavy Duty 7500H: Adjustable spring sizes 1through 6 (ADA Compliant). 7500: Tri-Style® packaging for Hold Open, top jamb or parallel arm mounting. Non-handed Rack-and-Pinion design Cast aluminum body 2-3/16" (56mm) projection 1-1/2" (38mm) diameter piston 5/8" (16mm) diameter pinion journals, staked valves standard, separate and independent, latch, sweep and backcheck intensity valves Backcheck positioning valve.
7500H 689 SN