Watts 757DCDA-OSY-FXG-CFM 4 - Part of the 757DCDA Series mainline-siltfence ZB415I-2NL

ZB415I-2NL

40″ modular channel sections with mechanical interlock ends and integral top frame

UPC - 098268595512

1/2 NPT inlet and outlet connections

This 3 IN full lug style butterfly valve

Watts 757DCDA-OSY-FXG-CFM 4 - Part of the 757DCDA Series mainline-siltfence ZB415I-2NLThis 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