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This 1 inch lead free copper silicon alloy 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
This float is made of high grade copper with firmly bonded overlapping joints and has a 5/16-18 female thread connection
it eliminates up to twelve 1/2 inch fittings in a compact package while the one-piece construction eliminates up to eleven threaded joints
ZB191-RD-4X18-4NH
Specifications Brand Watts Buy American Act Compliant NO Outlet Connection Size 3 IN Outlet Connection Type No Hub Specification Sheet - FD-320-Y
Watts 4 957-OSY-IOT - Part of the 957 Series ZC100F-4NH This 1 inch lead freeThis 4 inch reduced pressure zone assembly backflow preventer with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements, as well as provide continuous monitoring and multi channel
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