https://www.rbahelp.com/door-closers/international-door-closer-753-has-been-replaced-by-the-853/attachment/853-inter/ Helpful Tips and Instructions for Commercial Door, Partition, Locker, Stair Treads, Window Parts, and Bleacher Concerns Tue, 09 Oct 2012 14:07:39 +0000 hourly 1