Watts 0111536 757 Series Lead Free 4 in. x 4 in. Flanged Joint Stainless Steel Double Check Valve Assembly Backflow Preventer with Butterfly Valve Shutoffs
Watts 0111537 757 Series Lead Free 6 in. x 6 in. Flanged Joint x Grooved Stainless Steel Double Check Valve Assembly Backflow Preventer with Butterfly Valve Shutoffs
Watts 0111538 757 Series Lead Free 8 in. x 8 in. Flanged Joint Stainless Steel Double Check Valve Assembly Backflow Preventer with Butterfly Valve Shutoffs
Watts 0111538 757 Series Lead Free 8 in. Flanged Joint x Grooved Stainless Steel Double Check Valve Assembly Backflow Preventer with Butterfly Valve Shutoffs
Watts 0111747 757DCDA Series Lead Free 8 in. Grooved Joint x Grooved Stainless Steel Double Check Detector Assembly Backflow Preventer with UL/FM Butterfly Valve Shutoffs