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...
To add a cylinder to the 98/99-EO rim device order a 110NL-MD for metal door or 110NL-WD for wood door with a standard rim cylinder and prep the door per template.