Marine plumbing fittings are essential components for maintaining reliable water flow and connections on boats. These fittings, including pipe to hose adapters, hose barbs, and thru-hull fittings, ensure secure and leak-resistant plumbing systems for onboard freshwater, fuel, and drainage applications. Marine plumbing fittings also include various pipe fitting and drain components that contribute to a well-functioning onboard system. High quality hardware, such as threaded connectors and barbed fittings, ensures secure and efficient water flow for drainage and supply lines. Regular replacement of worn or corroded fittings is essential to maintain the integrity of the plumbing system, preventing leaks and ensuring long-term reliability in marine environments.
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1-2 weeks delivery time The Whale 15 mm Quick-Release T-Fitting is designed for branching 15 mm pipe systems and can be combined with additional fittings to create an adjustable outlet manifold. The quick-release design provides secure installation without tools or safety clips.
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$ 14.68
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1-2 weeks delivery time The Whale 15 mm Quick-Release Fused Elbow Connector is designed for creating a 90° directional change in freshwater plumbing systems. Featuring Whale quick-release connection technology, the fitting provides secure installation without tools, safety clips, or replacement parts.
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$ 8.90
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1-2 weeks delivery time The Whale 15 mm x 1/2" BSP Male Adapter is designed to connect 15 mm Whale pipe systems to components equipped with a 1/2" BSP female thread. The fitting combines a quick-release pipe connection with a BSP threaded outlet for fast installation.
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$ 9.58
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1-2 weeks delivery time The Whale 15 mm x 1/2" BSP Female Brass Adapter is designed for connecting 15 mm Whale pipe systems to components fitted with a 1/2" BSP male thread. The fitting combines a quick-release connection with a brass female threaded outlet.
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$ 65.54
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1-2 weeks delivery time The Whale 15 mm Brass Shut-Off Valve is designed for flow control and isolation in freshwater plumbing systems. The valve incorporates Whale quick-release connections and a brass valve body for reliable operation and convenient servicing.
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$ 70.14
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1-2 weeks delivery time The Whale 15 mm x 3/8" BSP Male Adapter is designed for connecting 15 mm Whale pipe systems to equipment fitted with a 3/8" BSP female thread. The fitting combines a quick-release pipe connection with a BSP threaded outlet for secure installation.
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$ 9.16
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1-2 weeks delivery time The Whale 15 mm x 3/8" BSP Female Plastic Adapter is designed for connecting Whale 15 mm quick-release pipe systems to components fitted with a 3/8" BSP male thread. The fitting combines a quick-connect pipe connection with a plastic female threaded adapter for freshwater installations.
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$ 15.09
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1-2 weeks delivery time The Whale 15 mm x 3/4" BSP Female Adapter is designed for connecting Whale 15 mm pipe systems to components equipped with a 3/4" BSP male thread. The fitting utilizes Whale quick-release technology for fast installation and servicing.
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$ 15.60
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1-2 weeks delivery time The Whale 15 mm Cylindrical Connector with 1/2" BSP Male Thread is designed for connecting flexible hose systems to components with a 1/2" BSP female thread. The fitting provides a secure transition between hose and threaded plumbing connections.
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$ 3.26
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1-2 weeks delivery time The Whale Cylindrical Connector for 12 mm Hose is designed for joining sections of 12 mm flexible hose in freshwater plumbing systems. The straight connector provides a simple and reliable hose-to-hose connection.
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$ 3.93
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1-2 weeks delivery time The Whale Cylindrical Connector for 16 mm Flexible Pipe is designed for joining sections of 16 mm flexible pipe in freshwater systems. The straight connector provides a reliable pipe-to-pipe connection and is suitable for water transfer applications.
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$ 4.79
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1-2 weeks delivery time The Whale Cylindrical Connector for 20 mm Flexible Pipe is designed for joining two sections of 20 mm flexible pipe in freshwater plumbing systems. The straight connector provides a reliable pipe-to-pipe connection suitable for water transfer installations.
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$ 5.57
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1-2 weeks delivery time The Whale Cylindrical Elbow Connector for 20 mm Flexible Pipe is designed to create a 90° change in direction within flexible pipe installations. Suitable for 20 mm pipe systems, the fitting provides a compact and reliable connection.
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$ 17.36
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1-2 weeks delivery time The Whale 15 mm Shut-Off Valve is designed for flow control and isolation within freshwater plumbing systems. Featuring Whale quick-release connections, the valve allows rapid installation and convenient servicing of water circuits.
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$ 42.12
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1-2 weeks delivery time The Whale 15 mm Elbow with 1/2" BSP Female Thread combines a 90° elbow fitting with a female BSP threaded connection. Designed for freshwater plumbing systems, it enables directional pipe routing while providing a threaded equipment connection.
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$ 45.26
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1-2 weeks delivery time The Whale Brass Plug is designed for sealing and terminating compatible Whale quick-release plumbing fittings. Manufactured from brass, it provides a durable solution for closing unused connections within freshwater systems.
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$ 29.27
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1-2 weeks delivery time The Whale Plug is designed for sealing unused outlets and terminating compatible Whale quick-release plumbing fittings. The plug provides a simple and reliable solution for freshwater system installations and modifications.
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$ 9.58
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1-2 weeks delivery time The Whale Non-Return Check Valve is designed to prevent reverse flow in freshwater plumbing systems. The valve automatically allows water to flow in one direction while blocking backflow, helping maintain proper system operation.
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$ 42.15
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1-2 weeks delivery time The Whale Cold Water Pipe is a 15 mm blue pipe designed for freshwater plumbing systems. Supplied in a 100 m roll, it provides a dedicated cold-water line solution and is compatible with Whale quick-connect plumbing fittings.
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$ 171.40
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1-2 weeks delivery time The Whale Hot Water Pipe is a 15 mm red pipe designed for freshwater plumbing systems. Supplied in a 100 m roll, it provides clear identification of hot-water circuits and is compatible with Whale plumbing fittings.
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$ 171.40
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What are the key differences between marine plumbing fittings and standard household plumbing fittings?
Marine plumbing fittings differ from standard household plumbing fittings in their materials and design, as they must withstand constant exposure to water, salt, and pressure variations. Fittings for boats, such as bronze pipe to hose adapters, 316 stainless steel connectors, and nylon hose fittings, are corrosion-resistant and designed for durability in harsh marine environments. Additionally, components like seacocks, hose clamps, and pipe plugs ensure secure and leak-free connections, preventing failures that could lead to water intrusion or system malfunctions.
Contuct us to shop best fittings for your boat.
How does a pipe to hose adapter help connect different plumbing components on a boat?
A pipe to hose adapter allows seamless connection between rigid plumbing components and flexible marine hoses, ensuring compatibility across different boat plumbing fittings. Commonly made from stainless steel, brass, nylon, or Marelon, these adapters provide a secure and watertight transition for water intake, drainage, and fuel lines. Available in various sizes and thread types, they help maintain reliable plumbing connections on decks, hulls, and tanks while resisting corrosion in harsh marine environments.
How does a 90 degree elbow fitting help in routing boat plumbing lines?
A 90 degree elbow fitting is essential in boat plumbing as it allows for efficient redirection of water flow in tight spaces, preventing kinks in hoses and reducing strain on connections. Made from durable materials like plastic or NPT brass, it ensures a secure and leak free transition between pipes and hoses. With options like barbed or swivel designs, these fittings simplify installation and maintenance, making them a vital accessory for any marine plumbing system.