Eliminate drainage issues with the Valterra anti-siphon valve. It clears clogs in RV plumbing lines, maintaining cleanliness and functionality of tanks. The design allows you to flush both tanks and pipes in one operation, saving time and effort. It prevents backflow, keeping the water system safe and clean. The 45° angled shape ensures fast and thorough drainage, and the transparent housing allows visual control of the process. The 360° rotating handle provides maximum flexibility, easily adjusting to various plumbing configurations.