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Model 375ASTDA


Zurn Wilkins Model 375ASTDA

Designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375ASTDA shall provide protection where a potential health hazard exists. Incorporates metered by-pass to detect leaks and unauthorized water use.


2 1/2 - 10"

Model 375 (2 1/2" and 3") Repair Video

Model 375 (4" and 6") Repair Video

Model 375 (8" and 10") Repair Video