1-1/4" NPT Water Supply

24"W X 42"H

18-gauge round stainless steel tubing that is 1 inch in diameter

317 Stainless Steel shower valve

Zurn Reduced Pressure Zone Backflow Preventer, Low Lead Cast Bronze, Wilkins 975XL2 Series, FNPT Connecti - 1-975XL2 Nominal Size-52" X 1.25" 1-1/4" NPT Water SupplyReduced Pressure Zone Backflow Preventer; Series: Wilkins 975XL2; Size: 1 in; Connection: FNPT; Body Material: Low Lead Cast Bronze; Temp. Range: 33 Degrees to 180 Degrees F; Max. Temp.: 180 Degrees F; Max. Pressure: 175 psi; Width: 5 1 8 in; Length: 13 in; Standards: ASSE Listed 1013, Annex G, Approved By The Foundation for Cross Connection Control and Hydraulic Research At The University of Southern California, CSA, Lead Plumbing Law Certified By