NON-RETURN VALVE - STEPPED - WHITE NYLON

A white nylon stepped non‑return valve is a lightweight, corrosion‑resistant one‑way valve designed to fit two different hose sizes on the same body, making it a flexible option for marine and RV plumbing. It’s commonly used in galley pump lines, bilge discharge runs, and general freshwater plumbing where backflow prevention is needed.

🧱 What the stepped nylon design offers

The stepped tail allows the valve to accept either of two hose diameters. This makes it useful when:

• You’re replacing a valve in an older system with mixed hose sizes.

• You want a single valve that can adapt to different plumbing runs.

• Space is tight and a compact, lightweight valve is preferred.

White nylon is valued for:

• High corrosion resistance in marine environments.

• Low weight compared with metal valves.

• Compatibility with most freshwater and bilge systems.