Tweet ZURN 375XL REDUCED PRESSURE BACKFLOW PREVENTER Zurn® Wilkins 34-375XL Reduced Pressure Principle Backflow Preventer With Full Port QT Ball Valves, 3/4 in, FNPT Nominal Size 3/4 in 3/4 in Nominal Size 3/4 in 1 in 1 in Nominal Size 1 in 1-1/4 in 1-1/4 in Nominal Size 1-1/4 in 1-1/2 in 1-1/2 in Nominal Size 1-1/2 in 2 in 2 in Nominal Size 2 in
