Marine Plumbing

Marine Plumbing Systems for Reliable Water Management Onboard

A dependable plumbing system is essential for both comfort and safety on the water. From keeping unwanted water out of the bilge to supplying fresh water throughout the boat and managing sanitation systems, marine plumbing equipment plays a critical role in every vessel. CritPro offers a growing selection of marine plumbing products designed for recreational boaters, anglers, cruisers, and anyone looking for reliable performance in demanding freshwater and saltwater environments.

Unlike household plumbing, marine plumbing systems must withstand constant vibration, moisture, UV exposure, and corrosion while operating in confined spaces. Marine-rated pumps, hoses, fittings, and valves are built specifically for these conditions, helping ensure dependable operation and long service life.

Explore Our Marine Plumbing Categories

Our Marine Plumbing department includes products for nearly every onboard water system. Browse Bilge & Water Pumps to help remove unwanted water and support freshwater circulation, explore Hose, Fittings & Fresh Water Systems for plumbing components and potable water systems, or upgrade onboard comfort with Marine Toilets & Sanitation Systems.

You'll also find Thru-Hulls, Seacocks & Strainers designed to provide safe and dependable water intake, drainage, and system protection throughout your boat.

Choosing Marine Plumbing Components

Selecting the proper plumbing equipment begins with understanding how each system functions together. Bilge pumps help remove water that enters the hull, freshwater pumps provide consistent water pressure, sanitation systems improve onboard comfort, and properly sized hoses and fittings help maintain efficient flow while minimizing leaks. Choosing marine-rated components designed for your specific application improves both reliability and long-term durability.

Routine inspection and maintenance of hoses, clamps, valves, pumps, and thru-hull fittings can also help prevent costly repairs while reducing the risk of water intrusion or equipment failure.

Built for Freshwater and Saltwater Boating

Marine plumbing equipment must perform in some of the harshest conditions found onboard a boat. Pumps operate continuously in damp environments, hoses remain exposed to UV rays and changing temperatures, while valves and fittings must resist corrosion despite constant contact with water. Marine-grade construction helps ensure dependable performance season after season.

Whether you're replacing worn components or designing a completely new plumbing system, quality equipment contributes to safer operation and greater confidence every time you leave the dock.

Trusted Marine Plumbing Brands

CritPro carries marine plumbing equipment from respected manufacturers including Whale, Johnson Pump, Jabsco, Raritan, Shurflo, Groco, and Scandvik. These brands are trusted throughout the boating industry for producing dependable pumps, plumbing components, freshwater systems, and sanitation equipment built specifically for marine use.

Complete Your Boat

Many plumbing upgrades are completed alongside improvements to your boat's electrical and accessory systems. Visit our Power & Systems department for battery chargers, wiring, and electrical components that support pumps and water systems, or browse our Boat Outfitting department for lighting, hardware, steering components, and maintenance products. You can also explore our complete Boating department for everything needed to equip your vessel.

Whether you're replacing a bilge pump, upgrading your freshwater system, installing a marine toilet, or rebuilding your boat's plumbing from the hull up, CritPro offers dependable marine plumbing products designed to keep your boat operating safely and efficiently on every trip.