GROCO

GROCO is a respected manufacturer of premium marine plumbing and safety hardware, trusted by boat builders, commercial operators, and serious boaters for over a century. Known for exceptional craftsmanship and durability, GROCO products are engineered to perform reliably in the harshest marine environments.

From bronze seacocks and thru-hull fittings to raw water strainers, valves, and plumbing components, GROCO solutions are built for strength, corrosion resistance, and long service life. Many GROCO products are made from high-quality cast bronze or stainless steel and are designed to meet or exceed marine safety standards.

When reliability and safety matter most below the waterline, GROCO is the name professionals trust.

GROCO Product Categories

• Bronze Seacocks & Valves

• Thru-Hull Fittings

• Raw Water Strainers

• Marine Plumbing Hardware

• Safety & Below-the-Waterline Components

Why Choose GROCO?

• Over 100 years of marine engineering expertise

• Heavy-duty bronze and marine-grade materials

• Designed for safety-critical applications

• Trusted by commercial and recreational boaters

• Made to withstand harsh saltwater environments

Ideal Applications

• Below-the-waterline plumbing systems

• Engine raw water intake systems

• Marine safety and plumbing upgrades

• Recreational and commercial vessels

Shop our selection of GROCO marine plumbing and safety products for uncompromising quality and long-term reliability you can trust on the water.