OPW 3 in. Cylinder Float Style Overfill Prevention Valves 61fSTOP-3050

OPW 3 in. Cylinder Float Style Overfill Prevention Valve The OPW 61fSTOP Overfill Prevention Valve ("The Stopper") is designed to prevent overfilling of aboveground storage tanks by providing a positive shut-off during a pressurized-fill (pump-on fill) delivery. "The Stopper" threads into the fill opening and is an integral part of the fill tube. Fully adjustable to allow easy installation in new or existing aboveground tanks of various heights and storage capacities. The OPW 61fSTOP comes with a 3 in. male part A Quick disconnect fitting for the fill port, a 6 in. female NPT Fitting for attaching to the tank and a 3 in. cylinder float. Features Simple, easy, quick installation Furnished complete Completely automatic operation Direct or remote-fill compatible Integral anti-siphon valve 150 PSI 25 GPM UL & ULC listed