Watts 757-DOSY 4 - Part of the 757 Series snake fence Concrete Expansion Joint Replacement Material

Concrete Expansion Joint Replacement Material provides an efficient and reliable solution for updating and maintaining the structural integrity of concrete surfaces

channeling runoff efficiently into downspout piping

Constructed with an epoxy-coated cast-iron body and a membrane-clamp flange

Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO EAN 098268104998 Lead Free Not In Scope Outlet Connection Size 3 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0881385 Series Air Gaps Valve Size 4 to 10 IN Specification Sheet - Watts Air Gaps

Watts 757-DOSY 4 - Part of the 757 Series snake fence Concrete Expansion Joint Replacement MaterialThis 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