Watts 757DCDA-OSY-FXG-CFM 4 - Part of the 757DCDA Series mainline-siltfence 1/2 NPT inlet and outlet

1/2 NPT inlet and outlet connections

UPC - 098268574623

It features a bronze body with FIP female threaded x male threaded union connections

UPC - 098268664775

This 3 IN full lug style butterfly valve

Watts 757DCDA-OSY-FXG-CFM 4 - Part of the 757DCDA Series mainline-siltfence 1/2 NPT inlet and outletThis 4 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