Water Pressure Regulator - Flush Mount - Chrome - 45 psiDesigned 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 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: Water Pressure Regulators protect your boat's water system from damaging pressures of unregulated city water hook-ups Reduces unregulated city water pressures that can run as high as 125 psi down to a safe 45 psi - automaticallyBuilt-in backflow preventer Federal and State required on RV's with water service hookup Includes GHT (Garden Hose Thread) fittings for potable garden hose connection