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Model 350ASTDA


Zurn Wilkins Model 350ASTDA

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.


2 1/2" - 12"

Model 350 (2 1/2" and 3") Repair Video o

Model 350 (4" and 6") Repair Video

Model 350 (8" - 12") Repair Video

Model 350AST Maintenance Video