Jabsco Water Pressure Regulator - Flush Mount - Chrome - 45 psiJabsco Water Pressure Regulator Flush Mount, Chrome, 45 psi Protect your boats entire plumbing system from unregulated city water hookups with a regulator designed for day and night reliability. Whether youre dock side or at a campground, this regulator maintains a safe, steady output across low or high flow rates, safeguarding valves, seals, and fittings from pressure surges. Reduces unregulated city water pressures that can exceed 125 psi down to a