Preferred Utilities ANTI SIPHON valve 3/4″ ANTI SYPHON FUEL OIL New Old Stock
3/4 in Anti Syphon Fuel Oil Valve Preferred Utilities Type A. anti siphon valve, anti syphon valve, fuel oil valve, oil burner safety valve, Preferred Utilities valve, heating oil anti siphon, oil tank protection valve, boiler oil valve, fuel transfer safety valve, oil burner accessory, vacuum fuel valve, Type A anti siphon valve, oil line safety valve.