2030 and 5030 are both overhead concealed closers.
The 2030 uses a concealed, in the door, track, and a concealed one piece arm.
The 5030 uses a exposed double lever arm (like the arm for a 401...
The SED/MED series closers where discontinued in 2000. The SE or ME series from LCN can be used as replacements to provide a hold open feature, but will not have the smoke detector...
The date is a 4 digit #. The first 2 numbers indicate the week it was made, and the last 2 numbers indicate what year it was made.
On most surface mounted closers, the model #, date code, ...
How to: What are the steps to adjust a door closer?Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment. All closers with a "Delay" feature ...