Vetus Plastic In-Line Non-Return Valve Without Hose Connections The waste water connector line-up consists of a three-way valve, a Y-connector, a non-return valve and the additional hose...

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...

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

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.  Trim ID...

Patay Non Return Valve Suitable for all brands of pumps. Part numberSuits Hose SAW-23539 20mm SAW-23540 25mm SAW-23542 38mm