4″ Zurn Wilkins 350ASTDA Double Check Detector Assembly
The 4″ Zurn Wilkins 350ASTDA Double Check Detector Assembly is designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350ASTDA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use. The 350ASTDA utilizes a 3/4″ 950XLD for the bypass assembly.
Lead Free Compliant, Stainless Steel Body, Double Check Detector Assembly available in a variety of flanged, grooved, or grooved x flanged end connections.
Part of the 350AST Series