Watts 757N-OSY 3 - Part of the 757 Series ZA100F-6NH the 6 mil thickness provides
Baker’s notes & crumb story
Description
Watts 757N OSY 3 Part of the 757 Series ZA100F 6NH the 6 mil thickness provides the 6 mil thickness provides exceptional durability and tear resistance This 1 2 inch reduced pressure zone backflow preventer assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements