Forespar in. Y in. Valves are molded from high-strength non-corrosive Marelon. in. Y in. -Valves are an essential piece of equipment when the flow of water or other fluids are required to be conveniently diverted, as in a marine head application where a holding tank is utilized. They are easily mounted to a bulkhead. The valves are operated by a simple 120 degree movement. Positive stops are provided between positions. Replacement parts are available. No need to remove hoses for repair or replacement of diverter.Caution: It is not recommended to install Y-Valves below the waterline