Nook own KINGSTON KITCHEN & BATH INSTALLATION INSTRUCTIONS Angle Stop Instructions: Place nut (3) and ring (2) on tube (1). Insert tube (1) into valve. Wrench tighten nut (3) onto valve. Place nut (4), metal washer (5) and rubber washer (6) on tube (7). Insert tube (7) into valve. Wrench tighten nut (4) onto valve. Stop any leaks by tightening nuts slightly. www.kingstonbrass.