Lead Law Compliant

• z-Pattern provides a small footprint and space saving design in vertical flow up applications for retrofit or first time installation Patented Compound Check increases reliability and decreases headloss Epoxy coated ductile iron body provides corrosion-resistance 475V single access cover reduces repair time Low-lead law compliant ASSE® Listed 1013 AWWA Compliant C511 (with gates only), and C5 CSA® Certified IAPMO® Listed UL® and C-UL® Listed

The 4" 475VOSY Reduced Pressure Principle Backflow Preventer with OS&Y gate valves is utilized in high health hazard, potable water applications to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 475V is shaped in the z-Pattern and is installed in vertical flow up applications, often for new or retrofit installations in compact spaces. Its single access cover reduces maintenance downtime and repair costs and is equipped with the patented, center-stem guided Compound Check for low headloss, superior reliability, and unmatched performance.