Can the Von Duprin SS and ALK option be in the same device?

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 device and can't be ordered together.
  • The SS (Silk Screen) push bar can be ordered with exit alarm ALK.  The silk screen push bar provides a sign that reads "Emergency Exit Push to open and sound alarm".

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