Marine Valves & Seacocks

Fisheries Supply is your premier supplier of marine y-valves and seacock valves from top brands in a variety of materials including stainless-steel, bronze and plastic seacock valves. We also offer a full range of marine ball and check valves, along with marine fuel shut-off valves. Annual maintenance of boat seacocks in imperative, which includes inspecting for corrosion and exercising (opening/closing) the marine seacock valve regularly. Shop now for boat check valves and y-valves or browse our great selection of thru-hull fittings.