Watts 757-DOSY 4 - Part of the 757 Series American Wick Drain travertine and manufactured stone

travertine and manufactured stone

Its single closet flexibity and 3 inch no hub waste and 2 inch no hub connections allow for easy installation

For heavy duty float valves

is used when retrofitting a backflow preventer into an installation where an existing backflow preventer is being replaced

Watts 757-DOSY 4 - Part of the 757 Series American Wick Drain travertine and manufactured stoneThis 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 backpressure and or backsiphonage in accordance with national plumbing codes and water authority requirements. It is ideal under continuous pressure service and protection at cross connections identified as non health hazards and from other non