Overhead Concealed door closers are used to provide a more aesthetic look to the opening.
Concealed in either the frame or the door
Offer the ability to be adjusted to maintain control o...
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions. Single or multi-point hold open closers
Utilize an electromechanical closer.
Hold the door o...
The Date Code and Closer Size are stamped in the backside of the closer body.
Closer Size:
If the number is "1", the closer is a 2031 or 5031.
If the number is "3", the closer is a 2...
The LCN direct retrofit for the Obsolete 303 OHC closer was the 330 series, it was discontinued in 2009. The 3030 closer door closer body can be used as a replacement cylinder.