34-975XL2 - Wilkins 34-975XL Reduced Pressure Zone 3/4-Inch Backflow PreventerThe Zurn Wilkins 975XL2 Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The wye pattern, bronze body provides separate access to each check valve and the relief valve for servicing. Our most popular backflow preventer model, the 3 4" 975XL2 Reduced Pressure Principle Backflow Preventer is utilized on potable water applications for high health hazard protection from backsiphonage and