The "320G" is the # on a UL sticker attached to the arm of most LCN door closers, and is not a door closer model number. The "320G" means that the arm is not a mechanical hold open device and OK t...
If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wi...
Butt hinges can be used on doors up to 4' wide and 200 pounds. There is no maximum door height, just need to add a hinge for every 30" or part there of over 7'.