OPW 199ASV Anti Siphon Valve 3/4 in. NPT - 5 ft. to 10 ft.

The OPW 199ASV Anti-Siphon Valve is designed to help prevent siphoning of an aboveground storage tank should a leak or break occur in the fuel supply

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199ASV Anti-Siphon Valve, PDF, Valve

199ASV Anti-siphon Valve Installation and Maintenance Instructions OPW 199ASV