Lead Law Compliant

• The models small footprint is ideal for fire protection retrofits and aids in reducing installation time Metered bypass detects unauthorized water usage or leaks Designed for installation in fire protection systems where a potential high health hazard exists FDA approved fusion epoxy finish and ductile iron body resists corrosion ASSE® Listed AWWA Compliant UL® Classified C-UL® Classified FM® Approved Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California

The 4" 475DAV Reduced Pressure Detector Backflow Assembly, with OS&Y gate valves, is utilized in high health hazard, fire protection applications for protection against both back siphonage and backpressure of contaminated water into the potable water supply. The 475DAV is shaped in the z-Pattern and installed vertically in a flow up orientation. It includes a small footprint for quick and easy fire protection retrofit applications, as well as a metered bypass system to detect leaks and any unauthorized water use, saving you valuable time and money on repairs and maintenance costs.