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AL series Latches
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RELATED FAQS
Question
Answer
Is there a conversion kit to add Electronic Dogging (ED) or Electric Latch Retraction (EL) to a 1690 or 1790 in the field?
Resolution:
There is no conversion kit to add EL or ED to an existing 1690 or 1790 series device. All of the components are built into the device, since the device does not have a separate base...:
Why does my Trilogy Lock not retract the latch when I replace a lever trim on a 98/99 series device?
Resolution:
If the NL screw on the 99 device has been removed the Trilogy lock will not retract the latch. :
What is the part number for the former F588 from Monarch?
Resolution:
The top latch for a Fire rated surface vertical rod device is part #650375-00 which replaced the old part #F588.:
Why doesn't full rotation of the AD or CO Series Exit Trim (993) outside lever fully retract the Von Duprin 98/99 Exit Device latch?
Resolution:
- AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device. Be sure this screw is installed- Exit hardware and strike must be properly mounted ...:
What is the projection or throw of the standard latch for a Falcon T series lock?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. The standard latch projection is 1/2". Falcon also offers a 3/4" throw with&nbs...:
What would cause an EL device to pull and release?
Resolution:
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...:
Schlage AL series
Resolution:
Grade 2 cylindrical lock, lever only:
How do you convert the Von Duprin 370 series controls to NL or night latch function?
Resolution:
You must have the Von Duprin NL Cylinder plate part number 967484-89 to convert the 370 series controls from classroom function to night latch function. If new installation, use the NL cylinde...:
How do you adjust a door closer?
Resolution:
How to: What are the steps to adjust a door closer? Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment. All closers with a "Del...:
Will the 25-C series rods and latches work on the old 18-C?
Resolution:
The internal rods and latches for the 25-C carried over from the older 18-C device so they can be used interchangeably.:
What T lock improvements were made in May 2013?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. In mid-May 2013 the Falcon T-Series changed the slide and catch spring used in the chassis to i...:
Will the new T Series chassis work with the old T latch?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. The new chassis, introduced in mid-June 2013, is fully compatible with the previous style latch...:
What wire gauge and run is recommended for Von Duprin electric latch retraction EL device?
Resolution:
:
What is the new option for the old 873-AC board?
Resolution:
When the new PS900 series power supplies were created we did not pursue a version of these option boards. Need to discuss the specific hardware they are using and requirements to determine the app...:
Has the Monarch 19 ever had electric latch retraction?
Resolution:
Electric Latch Retraction(ELR) option for the 19 Series was discontinued in December of 2006.:
Is the new Falcon T Series latch compatible with all available T lock strikes?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. The new Falcon T-Series latch, introduced mid-June 2013, will work with all avai...:
What is the center line of the lock case and the latchbolt on Schlage L9000 series lock?
Resolution:
These dimensions and other general lock case dimensions can be found on template L1. :
Will the old T Series chassis work with the new T latch?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. The new latch, introduced mid-June 2013, will NOT fit into the previous T lock chassis. C...:
What are the part numbers for the new Falcon T latches?
Resolution:
Falcon T Lock Latches No Longer Offered With The T Lock Effective mid June 2013 Old Part Number New Part Number &nb...:
Can the Von Duprin EL option be added to any existing 98/99 device?
Resolution:
The Von Duprin EL option can be added to any existing 33A/35A, 98/99 series exit devices. :
What is a mechanical Lock?
Resolution:
A lock is any device which prevents access or use by requiring special knowledge or equipment. Mechanical locks are mechanical devices which secure an opening by keeping a door closed until a rel...:
Why would the 996L trim not lock or unlock when installed with 98 or 99EO?
Resolution:
The 98/99 rim and vertical rod exit devices are shipped with NL drive screw to function as a Night Latch. To convert the device to Class Room, remove the NL Drive Screw on 98/99 center case ass...: