ALK WITH EXTERIOR LEVER

RELATED FAQS

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Answer
Exit alarm ALK devices are not recommended for exterior application. We do not offer water proof exit alarm ALK devices.
The ALK exit alarm will sound when the exterior trim is used to enter from pull side without using access control when an LX latch bolt monitor switch is used instead of RX push bar monitor switch.
- 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 ...
The new exit alarm ALK uses the 24VDC regulated PS902 power supply.
The current Von Duprin ALK comes standard with the External Inhibit feature.
The PS9 power supply was discontinued.  The new exit alarm ALK can either use a 9VDC battery or 24VDC regulated power supply. There is no direct replacement for Von Duprin PS9 power supply. Cur...