Watts 757DCDA-OSY-GPM 2 1/2 - Part of the 757DCDA Series Pipe Connection Fitting This 4 IN double check

This 4 IN double check detector backflow preventer assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply

Repair Kit

8 bar) and the pressure is set at 10 psi (0

This kit consists of a disc assembly

Watts 757DCDA-OSY-GPM 2 1/2 - Part of the 757DCDA Series Pipe Connection Fitting This 4 IN double checkThis 2 1 2 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 has a gallons per minute meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is