Sioux Chief 693 Series shower assembly products shall be used where necessary in hot and cold water supply systems. Shower assembly products shall allow for fl uid communication between the hot water and cold water line to the shower valve as well as the shower riser and tub spout stub out. 693 Shower-Up products shall come with bracketing solutions for the riser and for support of shower valve inlets. Preformed copper components shall have inlets and outlets made to ASTM standards.