Non-return valve 13/20/26 mm: the solution to secure your water circuit in your van

In vanlife, nothing is more unpleasant than a plumbing malfunction or a risk of water contamination. Imagine dirty water flowing back into your system: it's every traveller's nightmare! 

The Osculati brand provides a reliable and essential solution with this anti-backflow device. Made from robust polypropylene with a watertight rubber valve, this technical accessory ensures perfect unidirectional flow, protecting your pump and maintaining the integrity of your fresh or waste water circuit.

Its versatile design with multiple hose barb ensures simple and quick installation, with no connection effort. It adapts to your needs, whether for shower drainage or water supply security. Looking for lasting peace of mind? This component is the key to a safe and efficient fit-out. It connects ideally to your van hoses and flexible pipes and requires an Osculati hose clamp for optimal fixing.

The technical characteristics of the non-return valve

• Product type: Non-return valve, anti-backflow device, one-way valve
• Function: Unidirectional flow control; prevents water backflow
• Body material: Robust polypropylene (PP)
• Valve material: Rubber (ensuring watertightness)
• Mechanism: Simple valve, opening/closing by liquid pressure