Groco Seacock Full Flow 3´´ valve

GROCO Seacock Full Flow 3" Valve | Premium Marine Plumbing Solution

Ensure the ultimate safety and reliability of your vessel´s plumbing system with the GROCO Seacock Full Flow 3" Valve. Engineered for the demanding marine environment, this premium seacock is the cornerstone of a secure and efficient below-the-waterline installation. Designed for discerning boat owners who refuse to compromise on quality, the GROCO 3" valve offers unparalleled performance, durability, and innovative features that simplify both installation and maintenance. Its full-flow design guarantees unrestricted water movement, crucial for vital systems like engine cooling, generators, and sanitation, ensuring your equipment operates at peak efficiency without bottlenecks.

Built to exceed industry standards, this seacock provides the peace of mind that comes from installing world-class marine hardware. Its robust construction is purpose-built to withstand the harsh conditions of saltwater and continuous use, offering superior longevity and corrosion resistance. Whether you are outfitting a new yacht, refitting a classic sailboat, or upgrading the plumbing on your powerboat, the GROCO seacock represents a long-term investment in your boat´s integrity and your safety on the water. Its thoughtful engineering addresses common challenges faced by marine technicians and DIY owners, making it the preferred choice for both new builds and critical upgrades.

Key Benefits and Advanced Design

Experience a new level of installation flexibility and user-friendly maintenance. This valve is engineered to solve real-world problems, from fitting into tight bilge spaces to simplifying seasonal winterization.

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations.

Tri-flange base and mount hole pattern provide easy retrofit when replacing most popular brands.

Handle has a square hole that accepts standard ratchet-helps to reach hard-to-reach valves and eases operation of hard to actuate valves.

Stainless steel ball and stem PTFE seats and seals.

Serviceable when installed drain plug on both sides for efficient winterization.

NOT TO BE USED IN POTABLE WATER SYSTEMS.



The unique, field-reversible handle is a game-changer, allowing you to customize the handle´s swing direction to avoid obstructions within cramped engine rooms or lockers. The universal tri-flange base eliminates the guesswork and fabrication often required when replacing older or failed seacocks from other manufacturers, making retrofits faster and more secure. Furthermore, the cleverly designed handle accommodates a standard ratchet, providing the leverage needed to operate the valve smoothly, even when access is difficult. When it comes to maintenance, the dual-sided drain plugs allow for complete and efficient draining for winterization, protecting your investment from freeze damage while the valve remains installed.
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Technical Specifications
* Product Name: GROCO Seacock Full Flow 3" Valve
* Category: Boats and equipment
* Subcategory: Plumbing
* Attribute: Valves
* Size: 3 inches
* Flow Design: Full Flow (non-restrictive)
* Base Type: Tri-Flange Mount
* Handle Feature: Square hole for standard ratchet compatibility; Field-selectable rotation
* Serviceability: In-line serviceable with dual drain plugs
* Application: Marine raw water systems
* Usage Restriction: Not for potable (drinking) water systems