Watts 757DCDA-OSY-FXG-CFM 6 - Part of the 757DCDA Series Access Tile It is proudly made in

It is proudly made in the USA of high-density polyethylene (HDPE) UV resistant plastic

ZN456-3NH-8B

Flow Rate: 60 gpm/ft² Grab Tensile Strength: 350 lbs

Single access cover

Watts 757DCDA-OSY-FXG-CFM 6 - Part of the 757DCDA Series Access Tile It is proudly made inThis 6 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It is designed for non health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water and includes