Johnson Pump 40057 Water Pressure Regulater Valve

This simple pressure regulator attaches to any city water outlet with garden hose threads. It prevents damage to your boat’s plumbing, appliances, and pumps from high dockside water pressure. Reduces city water pressure to 40-50 psi Heavy duty, corrosion-resistant bronze construction Standard GTH (3/4 inch garden hose threads) for easy hook-up