Marketing InformationThe 1-1/4'''' Zurn Wilkins 975XL3 Reduced Pressure Principle Backflow Assembly provides high hazard protection against backsiphonage and backpressure in potable water applications. The valve features slow closing resilient seated UL/FM approved butterfly shutoffs and supervisory switches. The 900XL3 series offers the most compact and lightest bronze small backflow available on the market today. The design combines the robust time-tested construction of our 900XL/XL2 series with the innovative modular check EZSwapâ„¢ design of our 300 series allowing for ease of repair and greater labor savings compared to all other brands.