4″ Zurn Wilkins 375AST NRS Reduced Pressure Principle Assembly
The 4″ Zurn Wilkins 375AST NRS Reduced Pressure Principle Backflow Assembly is designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375AST provides protection where a potential health hazard exists. Ideal for use where lead-free* valves are required.
Lead Free Compliant, Stainless Steel Body, Reduced Pressure Principle Backflow with multiple options for end connections, such as NRS, OS&Y, and Butterfly shut-off valves.
Model 375AST Series