Watts 757DCDA-DOSY-GPM 4 - Part of the 757DCDA Series Window Well Extension making it easy to install

making it easy to install and providing extensive coverage for your garden beds

UPC - 098268502527

Adjust flow rate with one hand by turning bezel which is lockable with Allen screw

UPC - 098268833218

Features Decorative white faceplate

Watts 757DCDA-DOSY-GPM 4 - Part of the 757DCDA Series Window Well Extension making it easy to installThis 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, but not toxic, 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 such as on fire