Can I keep my existing mechanical deadbolt installation with my Alfred DB series lock? Blair April 10, 2019 19:41 No, regular mechanical deadbolts are not compatible with the DB series. Related articles What wireless functions does Alfred support? Handing Switch What should I do if I forget my Master PIN Code? What purpose is the button on the back of the Alfred lock? Where can I order replacements for lost parts? Comments 0 comments Please sign in to leave a comment.