Given the added expense and maintenance issues that can come with vertical rod panic hardware, I can’t think of a reason why someone would use a vertical rod device on a single door.  Can you?  If this is a fire door I doubt this application is compliant with the listings, because less-bottom-rod (LBR) fire exit hardware is typically used in pairs.  Maybe the door or the delayed egress device was moved from another location?

Thank you to Fred Rudiger of Allegion for today’s Wordless Wednesday photo!

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