Jackson® ANSI Grade 1 Medium Duty 105º No Hold Open #20111MO1B
This Jackson® ANSI Grade 1 Overhead Concealed Closer is designed to provide the ultimate in durability and maintenance-free service. The closer comes standard with an adjustable hydraulic back check feature that provides the ultimate protection from wind or violent door swings to prevent damage to the closer and opening without impeding normal traffic flow. Also standard are dual action valves for closing operation (one valve for closing, one valve for latching). 90º and 105º Hold Open and No Hold Open models are available. Interchangeable with standard Jackson® and similar brands of Overhead Concealed Closers.