OPW 71SO Overfill Prevention Valves GRID_OPW71SO400C

The CARB-certified OPW 71SO vapor-tight Overfill Prevention Valve is designed to prevent the overfill of underground storage tanks by providing a positve shut off of product delivery. The shut off valve is an integral part of the drop tube used for gravity filling. The OPW 71SO allows easy installatiion without breaking concrete and no special manholes. Retrofits directly for new and existing tanks with 4" fill risers. Features Simple, Easy and Quick InstallationNo excavation or special manholeRetrofits DirectlyFor both new and existing tanksQuick Drain FeatureAutomatically drains hose when head pressure is relievedWill Accept A Dip Stick For GaugingEconomicalCosts a fraction of expensive and difficult to install valvesNo Epoxy Sealants Required