Before installing the valves, clean the water pipe thoroughly to avoid dirt and deposits. & ft { Install spout (1) O-ring (2), Secure with washer and nut (3). Note: If sink is uneven, use silicone under the gasket. Attach flexible hoses under the hot and cold end valves. 1.Make sure attach the gasket to the base of hot (1) and cold (2) end valves. 2.Slide hot (1) and cold (2) end valves with flexible hoses (3) through sink. 3.Place washer(4) and metal plate(5} aver mounting stud under sink.