This is a water regulator with a built-in diaphragm check valve.
It provides continuous protection from high pressure surges in the dockside water system.
• Pressure will not exceed a safe 65 psi - meets or surpasses all check valve code requirements
• Leak-tight, stress and crack resistant construction
• Quick, permanent bulkhead-mount installation on bulkheads of any thickness
• Easily replaces most original OEM city water entries
• Female fitting accepts standard garden hoses