GROCO 2.5-Inch Bronze Tri-Flanged Ball Valve Seacock

The GROCO 2.5-Inch Bronze Tri-Flanged Ball Valve Seacock gives positive shutoff for a compatible below-waterline marine plumbing connection. Its bronze body and full-flow ball-valve design allow the intake or discharge line to be isolated for maintenance, winterization, or emergency control while supporting unrestricted flow when fully open.

Model-specific handle features make the valve easier to operate in confined spaces, and service provisions on supported sizes simplify lubrication, draining, and winterization without removing the complete valve from the boat. These service-oriented details are especially useful where valves are installed in crowded bilge spaces with limited hand clearance.

Confirm connection size, thread type, thru-hull compatibility, flange mounting, handle clearance, bonding requirements, flow direction where applicable, and service access before installation. Use appropriate marine bedding and fasteners, exercise the valve periodically, and inspect the assembly for smooth operation, corrosion, and leaks. Have a look at the rest of our bilge and water pumps.

• The ball valve gives positive isolation for service or emergencies.
• The valve geometry minimizes unnecessary restriction in the plumbing path.
• Handle features on supported models improve access in crowded bilges.
• Drain, lubrication, or integrated-strainer provisions simplify maintenance where equipped.