In-line non-return valves fit to suction hose to aid priming and prevent backflow of water into the bilge. Corrosion resistant polypropylene with stainless steel hardware. 3 sizes. Part...

Tru-Design Non-Return Valves in a range of sizes. Manufactured from high strength, UV stabilised glass reinforced nylon composite making the valve strong and lightweight. High impact and tensile...

Non-Return Valve manufactured by Whale. An in-line non-return valve designed to accept Quick Connect 15 tube fittings either end. Part...

A quality multi-size non-return valve for use with manual bilge pumps. Prevents back flow of water into the bilge. The valve should be mounted as close as possible to the inlet strainer. Suitable for...

Ronstan Non-Return Valve The Ronstan Non-Return Valve has a durable nylon construction which protects it from bumps, scratches, and corrosion. Built tough for the harsh marine environment...