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“ double cylinder deadbolt ”

Resolution: Double cylinder (-2 or -2SI) features an inside key cylinder which locks or unlocks the outside trim and an outside key cylinder which retracts the latch bolt only (Night latch function). Thi...:

What are the part numbers for the ND lock spring cages?

Resolution: ND-series locks manufactured before January 30, 2017 used the following spring cages::

Do the Falcon exit devices have the double cylinder option?

Resolution: A double cylinder(-2) option is not available on a Falcon device but is available from Von Duprin.:

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“ double cylinder deadbolt ”

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