Watts 774-OSY 6 - Part of the 774 Series Strata Systems Factory calibrated to eliminate field

Factory calibrated to eliminate field calibration

UPC - 098268590852

The 10 mil thickness ensures durability while maintaining flexibility for easy installation

UPC - 098268564693

Grooved end connections

Watts 774-OSY 6 - Part of the 774 Series Strata Systems Factory calibrated to eliminate fieldThis 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality 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. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants