Outlet with non-return valve

Ref: 42797

Prevents backflow into the bilges : mounted as close as possible to the strainer, the non-return valve locks up the water in the hose.


  • Straight outlet for hose Ø 25 or 38 mm : simply sawing off the Ø 25 outlet
  • Polyamide valve + nitrile gasket, fuel resistant.
  • Bellows-type gasket allows debris such as seaweed or small cloth. Can be replaced by a flat gasket. converts the valve in a Ø 38 mm fitting (a pre-moulded groove indicates where to cut).

Technical documentation & diagrams