JABSCO WATER PRESSURE REGULATOR FLUSH MOUNT MODEL 44411-SERIES Designed for day and night protection of the entire plumbing system from unregulated city water system hook-ups. Whether connected to a dock-side main or a campground faucet, the new Jabsco Regulator will maintain regulated output at low or high flow rates. The removable strainer protects valves and seal-seats from pipe scale and other debris. FEATURES Reduces unregulated city water pressures that can run as high as 125 psi down to a safe 45 psi - automatically. Features built-in backflow preventer. Federal and State required on RV's with water service hookup. Flush mounts permanently in vessel super structure. Easily replaces most original city water entries. Automatic pressure regulation. Built-in backflow preventer. Easy cleaning strainer. Dust cap. Also marketed as a marine and boat plumbing component; waterproof construction and flush mounting for clean installation.