ADVENTURE OUTDOOR SUPPLIES RHEINLAND 55mm Fresh Water Tank Filler Cap with Quick‑Connect Inlet & Pressure Relief Valve – Secure Refill System for Motorhomes, Campervans & Boats

• ✅ Hands‑Free Fresh Water Filling – Easily refill your motorhome or boat water tank with this quick‑connect push‑fit cap. No more holding hoses—just click and fill.
• 💧 Leak‑Free & Pressure‑Safe – Integrated pressure relief valve helps prevent overfilling and protects your tank. Reduce spills and avoid unnecessary tank stress during refills.
• 🚐 Fits Standard ABL 55mm Inlets – Designed specifically for 55 mm ABL‑type water inlets. Suitable for most UK and European motorhomes, campervans, and boats.
• 🔄 Universal Hose Connector – Works with standard garden hose fittings. Snap on and start filling instantly—no adapters required.
• 🛠️ Durable & Travel‑Ready – Built from high‑quality, weather‑resistant materials. Compact, lightweight, and ideal for touring, camping, and boating.

Make refilling your fresh-water tank cleaner, faster, and hassle-free with this premium 55 mm Motorhome Water Filler Cap. Designed for campervans, motorhomes, caravans, and boats, it replaces your existing cap and adds a secure quick-connect inlet for effortless hose attachment. The integrated push-fit connector works with standard hose fittings, allowing you to snap your hose into place and start filling instantly—no awkward juggling, no leaks, and no mess. A built-in pressure relief valve helps protect your tank by releasing excess pressure during filling, giving you a safer and more controlled refill every time. Key benefits Quick-connect hose inlet for fast, tidy refilling Pressure relief valve helps prevent tank over-pressurising No tools needed—simple screw-on installation Keeps hands clean and helps avoid water spillage Ideal for motorhomes, campervans, caravans, narrowboats and boats Durable, weather-resistant construction for long-term use Compatibility This filler cap is designed for 55 mm ABL-style water inlets. It is not compatible with Fiamma or smaller European water ports. Whether you’re touring the coast or heading off-grid, this upgraded filler cap makes topping up your fresh-water tank quicker, cleaner, and far more convenient.