In-Wall Duofix Carrier System And Sigma Concealed Tank With Actuator Flush Panel Or Pneumatic Push Button For Wash Down Wall- Hung Toilets System Shall Fit Within Minimum 312A (90 Mm) Framing Wall Or Plumbing Chase, With Wood Construction Or Steel Framing Members Placed 1934A (500 Mm) Apart Framing Members Should Be Capable Of Supporting A 880 Pound (400 Kg) Load Without Damage To The Wall Water Supply Shall Have Flow Diameter No Smaller Than 12A (13 Mm) Copper Tube, And A Minimum Flow Pressure Of 2 Psi (001 Mpa) The Toilet Bowl Shall Be A Third Party Listed, 2-Hole Wall-Hung 16 Gpf (6 Lpf) Or 128 Gpf (48 Lpf) Single-Flush, 1608 Gpf (63 Lpf) Or 12808 Gpf (483 Lpf) Dual-Flush The Carrier Frame Shall Be Adjustable For Bowl Rim Heights From 15A To 19A (381 To 483 Mm) Actuator Flush Panels Shall Be Diecast Zinc, Molded Plastic Or Fabricated Stainless Steel And Plated To Preserve Material Integrity All Components Shall Be Compliant With Applicable Codes And Product Standards