Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature.
De...
Optional closer reinforcements are located at 3" from hinge jamb to the beginning of the reinforcement plate. This applies to Regular Arm, Parallel Arm, Top Jamb.
Regular Arm (RA) closer reinfor...
4040XP Series (4040 DEL) is a universal closer. *(see note)
Non Handed closer. Can be mounted on a RH or LH door.
4041XP - Adjustable size 1 to 6.
Can mount push side or pull side of the doo...