Watts 709DCDA-DOSY-GPM3/4 4 - Part of the 709DCDA Series silt-fence-selector Specification Sheet - Plate Strainers

Specification Sheet - Plate Strainers - 843H (French)

Female x female connections

and steel top nut

seat cylinder

UPC - 098268599329

Watts 709DCDA-DOSY-GPM3/4 4 - Part of the 709DCDA Series silt-fence-selector Specification Sheet - Plate StrainersThis 4 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection at cross connections identified as non health hazards such as on fire protection systems and from other contaminants found at the service line entrance. It