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, ...
Because of the new extended LCN warranties and the desire to be consistent across the entire Allegion premium brands, LCN will be moving away from offering an out-of-warranty repair service beginni...
The 4040/4041 closers have been replaced with the 4040XP closer. The 4040XP cylinder replaces all the older versions. There are 2 cylinder "only" option's for the 4040XP series.
The 4040XP-3071(...