Ask your question Entering your question as a complete sentence will provide more accurate results than keywords or phrases.

“ WHAT DO YOU MEAN BY TOP LATCHING? ”

RELATED FAQS

Question
Answer
Can the old style 3327 top latches and rods still be purchased?
The old style Von Duprin 3327 top latch and rod is longer available.  The part number for old 3327 top latch was 105339.
Will the 18-V top latch work with a 25-V device?
Yes, the top latch for the 25-V carried over from the 18-V device. Surface vertical rod top latch = part #650389 or #650375(fire rated)
What is the part number for 98/9927-F top latch less cover?
The part number for 98/9927/F top latch less cover is 050400.
Can you do LBR on a 98/9947 WDC?
This is available. If this is a fire rated opening you must use the Auxiliary Fire Latch Kit to maintain your Fire Rating.  If not fire rated simply omit the bottom rod but be aware that your...
TOP LATCH
Vertical Rod latch that secures a panic device to the top frame
What is the part number for the 5547 top latch non rated?
The part number for 5547 top latch and rod assembly is 050053-00.  
Why is the Von Duprin 55 or 88 series crossbar sagging?
Number of reasons could Von Duprin 55 or 88 series cross bar to sag. Attached are the reasons that could cause the cross bar to sag or not lift. The hinge case spring lifts both lever arms and t...
Why would bottom latch on 98/9927 drop when top latch stays retracted?
Check the adjustment and if this does not resolve then you may possibly have a defective center case or bottom latch.
What would keep the vertical rod exit devices top latch from being held retracted in the open position?
The following items may cause the exit devices top latch from being held in the retracted position. 1. The top or bottom rods are out of adjustment. 2. The top latch hold back...
Following exit devices 2227/F, 33/3527A/F, 33/3547A/48A/F, 98/9927/F and 98/9947/48/F have similar rod adjustment procedures. All top latches control the bottom latch assemblies. When do...
Why is the 2390 top latch not staying retracted when dogged?
Most likely need to length the top rod so latch can engage it's internal latch retention state. See 2390 Instructions for adjusting rod lengths.
What is the part number for the former F588 from Monarch?
The top latch for a Fire rated surface vertical rod device is part #650375-00 which replaced the old part #F588.