Watts 3 957-OSY-FP - Part of the 957 Series ZC100F-4NH allowing it to repel even

allowing it to repel even the most stubborn tree roots

MNPT inlet x Grooved outlet

Reduced pressure range 10 to 30 psi

for 15 years

ZM400SS-3IG

Watts 3 957-OSY-FP - Part of the 957 Series ZC100F-4NH allowing it to repel evenThis 3 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 alerts and automatic shutoff capability