Zurn 4-375OSY 4" Ductile Iron Flanged 350 psi Backflow Preventer

Zurn 4-375OSY 4 in. Ductile Iron Flanged 350 psi Backflow Preventer delivers exceptional reliability and performance, making it an ideal choice for both residential and commercial backflow applications. This FM® Approved and UL® Classified unit features a short lay-length, facilitating installation in tight spaces, while its versatile flanged end connections ensure compatibility with various plumbing systems. Constructed from durable ductile iron, the backflow preventer is designed to withstand pressures up to 350 psi, ensuring robust operation in demanding environments. The innovative Zurn Wilkins low head loss Compound Check provides superior performance, minimizing pressure drop and maintaining efficient water flow. Additionally, the absence of threads or taps in the body and cover eliminates exposure to corrosion, enhancing the longevity of the unit. The 4-375OSY model is equipped with a single access cover that reduces downtime during maintenance, allowing for quick inspections and repairs. Ideal for replacement projects, this backflow preventer complies with important standards such as ANSI B16.42, ASSE 1013, and AWWA C-511, ensuring its reliability and safety in various applications. With a recommended valve application for water and a temperature range of 33°F to 140°F, it caters to diverse operational needs. Measuring 32-1/2 inches in height, 40-4/5 inches in length, and 21-1/2 inches in width, and weighing 328 lbs, this inline valve is robust yet manageable for installations. Trust Zurn's commitment to quality and performance with the 4-375OSY Backflow Preventer, where innovative design meets proven durability for your plumbing needs.

4 in. Ductile Iron Flanged 350 psi Backflow Preventer