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“
OVERHEAD HOLDOPEN VS CLOSER
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RELATED FAQS
Question
Answer
What Glynn Johnson overhead stop do I need if I want heavy duty surface mounted?
Resolution:
Either the 70, 79HD, 81 or 90 series.:
Are there any parts available for the old Dor-O-Matic 1200 overhead concealed series closers?
Resolution:
The Dor-O-Matic overhead concealed manual door closers have been obsolete since 1999, and there are no parts available for them.:
Is there a retrofit closer available for the obsolete 303 OHC closer?
Resolution:
The LCN direct retrofit for the Obsolete 303 OHC closer was the 330 series, it was discontinued in 2009. The 3030 closer door closer body can be used as a replacement cylinder. :
What is the difference between the 2030 and 5030 closer?
Resolution:
2030 and 5030 are both overhead concealed closers. Catalog information can be found here. The 2030 uses a concealed, in the door, track, and a concealed one piece arm. The 5030 use...:
How do you identify the model number and date code of an LCN cast iron hydraulic closer?
Resolution:
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, ...:
What are Overhead Concealed door closer?
Resolution:
Overhead Concealed door closers are used to provide a more aesthetic look to the opening. Concealed in either the frame or the door Offer the ability to be adjusted to maintain...:
Can I use a 4040 EDA and a Glynn Johnson 100 series concealed stop together?
Resolution:
There is not a conflict between the 4041/4040XP EDA door closer and the GJ 100 or 410 overhead concealed series stops. The exception is: the 4041/4040XP mounted on a drop plate, and the Glynn Jo...:
Is lead lining a GJ overhead an option or even needed when used in an X-ray room?
Resolution:
Lead lining is not needed, since the channel or through bolt is solid and the x-rays will not penetrate the solid metal.: