Backflow Preventer, Dual Check Valve, .75-In. Category_Fasteners with no bypass

with no bypass

apply the granules to your lawn or home perimeter in calm weather

Made In USA

Begins Working Immediately

Flame retardant

Backflow Preventer, Dual Check Valve, .75-In. Category_Fasteners with no bypass3 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