Valterra 45° Hydroflush Attachment for RVs — Clear Body, Removable Anti-Siphon & Bayonet Fittings

The Valterra 45 Degree Hydroflush Attachment is an angled sewer tank rinser with clear walls, leak-proof bayonet fittings, and a removable anti-siphon valve to help flush and break up residue in RV, camper, and trailer tanks.

Keep your RV sanitation system cleaner and easier to maintain with a purpose-built flushing attachment. The Valterra Hydroflush connects to standard sewer hoses and potable water sources to direct pressurized water into holding tanks, loosening sludge and rinsing pipes, valves, and hoses. Its clear body lets you verify when runoff is clear, while the integrated anti-siphon device helps guard fresh water from backflow. Quick bayonet fittings and a 45° angle make installation and drainage straightforward for routine maintenance or when prepping your rig for storage.

How does the Hydroflush attach and stay leak-free?

Valterra designed the Hydroflush with bayonet-style fittings and pre-installed couplings to create a secure connection to your sewer hose and water source. The fittings lock in place to reduce twisting and separation under flow pressure. That means less messy fumbling and fewer loose connections when you’re dumping or rinsing tanks.

• Positive bayonet locking fittings for a tight seal
• Pre-installed couplings ready out of the box
• Durable construction tolerates repeated hookups

What role does the removable anti-siphon valve play?

The included anti-siphon valve prevents unwanted backflow between your waste system and the potable water line, protecting your fresh water supply. It’s removable for cleaning or replacement without special tools, so upkeep is simple. During flushing, water flow also agitates solids to help dislodge blockages inside the tank and piping.

• Internal backflow preventer protects drinking water sources
• Removable valve for easy maintenance or replacement
• Directs flushing flow to break up and flush solids

Why is the clear construction useful when cleaning tanks?

Clear walls let you see the runoff color and progression during flushing, so you know exactly when the tank is rinsed and the water runs clear. Visual confirmation reduces guesswork and prevents unnecessary prolonged flushing. It’s especially handy in low-light pump-out areas or when monitoring multiple drain stages.

• Transparent body allows visual confirmation of rinse effectiveness
• Helps prevent over-flushing and saves water
• Useful indicator when multiple tanks or valves are involved

How does the 45° angle help during dumping and rinsing?

The angled design positions the rinser for more effective circulation and easier insertion into standard tank fittings, enabling better flow dynamics while avoiding awkward hose kinks. This orientation assists gravity drainage and helps aim rinsing jets toward hard-to-reach areas inside tanks. The shape also simplifies handling during hookup and storage.

• Angled profile improves flow and reaches interior tank areas
• Reduces hose kinks for smoother drainage
• Ergonomic for fast hookup and removal

Who is this for? The Valterra 45 Degree Hydroflush is designed for RV, camper, and trailer owners who want a reliable, easy-to-use tool for maintaining holding tanks and sewer lines. It’s a practical choice for weekend campers, seasonal travelers, and full-time RVers who prioritize straightforward maintenance, clearer rinses, and added backflow protection. If you perform your own tank maintenance or want a safer, more visual way to rinse plumbing and hoses, this attachment is a compact, durable upgrade to your sanitation kit.