JABSCO WATER PRESSURE REGULATOR. FLUSH MOUNT MODEL 44411-SERIES. Designed for day and night protection of the entire plumbing system fromunregulated city water system hook-ups. Whether connected to a dock-sidemain or a campground faucet, the new Jabsco Regulator will maintain regulatedoutput at low or high flow rates. The removable strainer protectsvalves and seal-seats from pipe scale and other debris. Reduces unregulated city water pressures that can runas high as 125 psi down to a safe 45 psi - automatically. Features built-in backflow preventer. Federal and Staterequired 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.