Watts 757-OSYXPIV 8 - Part of the 757 Series geogrid UPC - 098268606737

UPC - 098268606737

This 1 1/4 by 1 inch lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets

UPC - 098268017700

The liner features a smooth black surface with no grooving

copper-lined steel

Watts 757-OSYXPIV 8 - Part of the 757 Series geogrid UPC - 098268606737This 8 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of 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 hazards and from other contaminants found at the service line