Watts 774DCDA-OSY-CFM 4 - Part of the 774DCDA Series SITEDRAIN UPC - 098268503135

UPC - 098268503135

This repair kit is for the replacement of the 1 1/4 and 1 1/2 inch Watts backflow preventer relief valve cover

heel proof nickel bronze

seals of FDA grade elastomers

1 inch union female NPT inlet by 1 union female NPT outlet

Watts 774DCDA-OSY-CFM 4 - Part of the 774DCDA Series SITEDRAIN UPC - 098268503135This double check detector assembly backflow preventer, 4 inch, prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has a cubic foot meter. It can be installed in a vertical