Watts 757DCDA-OSY-LM 4 - Part of the 757DCDA Series Tactile Paving bonnet O-ring and check spring

bonnet O-ring and check spring

Heavy-duty cast-iron construction for long-term durability

stabilization and drainage applications

Durable Construction for Wet Areas: Built with materials that resist moisture

Z191-5X4X24-3IP

Watts 757DCDA-OSY-LM 4 - Part of the 757DCDA Series Tactile Paving bonnet O-ring and check springThis 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. Its compact housing consists of two independently operating tri link check valves, two shutoff valves, and four test cocks. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is designed for non health hazard applications