Von duprin Chexit with ALK

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The Chexit device has a different base plate and center case than the ALK.  The Chexit device would need to be replaced with an ALK device.
ALK kit comes with standard RX switch. It can be ordered without the RX switch or with LX switch as an option.
Depends on what is being ordered; SS can stand for either the "Signal Switch" or the "Silk Screen" push bar. The SS (Signal Switch) and ALK (Exit Alarm) sit in the same location in the exit devi...
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...
The current Von Duprin ALK comes standard with the External Inhibit feature.
The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING)
You should use the LX switch with the Von Duprin surface vertical rod exit device because the rods are exposed and are vulnerable to attack. IE, the top rod can be grasped and forced down to retrac...
The standard exit alarm ALK devices are not available with dogging option. The device can be ordered through Engineering Special with dogging option on non fire exit devices. This special is o...
Standard 98/99 exit alarm ALK devices are available with cylinder dogging option as of October, 2011. The device can be ordered standard with cylinder dogging and exit alarm ALK opti...