Watts 757-PIVXOSY 4 - Part of the 757 Series Strip Drian UPC - 098268102895

UPC - 098268102895

ZM400SH-2NL

ZB1960-2IG

It prevents backflow associated with hose connections when screwed directly to a sill cock

The stormwater drain does more than drain water—it helps your drainage system run efficiently by blocking out leaves

Watts 757-PIVXOSY 4 - Part of the 757 Series Strip Drian UPC - 098268102895This 4 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