Backflow Preventer, Dual Check Valve, .75-In. Brand_Greenview D2235 & F-493

D2235 & F-493

Blades stay sharper three times longer

Apply 1 to 2 gallons of water to each mound area

indoor switch-operated override function

Backflow Preventer, Dual Check Valve, .75-In. Brand_Greenview D2235 & F-4933 4", back flo preventer, dual check valve, use at drinking water supply service entrance or individual outlets, for non health hazard residential water system containment & continuous pressure applications, install vertically or horizontally, temperature range 33 to 180 degrees Fahrenheit, minimum working pressure 10 psi to maximum working pressure 150 psi, buna n seals & stainless steel springs, meets asse 1023 & csa b64. 6, wetted surface of this