older closer models

RELATED FAQS

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The 4330 / 4430 is an obsolete ME closer replaced by the 4310ME or 4410ME Series.
Neither Dor-O-Matic or LCN manufacturers a floor closer. 
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, ...
To determine the SC series, measure center to center on the closer body bolt hole mounting pattern and an overall description of the closer and arm. SC91 -- 6-3/8" x 3/4" -- unique arm SC93 -- 9-1...
The Date Code and Closer Size are stamped in the backside of the closer body. Closer Size: If the number is "1", the closer is a 2031 or 5031. If the number is "3", the closer is a 2...
The date stamp on a 4041/4040XP is on the packing nut.  The date will be the week of the year and then the year. EXAMPLE: 10 05 would be week 10 of 2005.  For example see...
The Dor-O-Matic overhead concealed manual door closers have been obsolete since 1999, and there are no parts available for them.
The old 4030 series was: Handed Mounted regular arm hinge side. Had sized springs, were not adjustable. The 4033 is an obsolete closer.  If required, handing can be verified by looking at ...