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 Osculati 17.523 Series Skin Fittings with Hose Adaptors are manufactured from marine-grade AISI 316 stainless steel and combine a through-hull fitting with an integrated hose connection. Featuring mirror-polished ground connections, these fittings are available in sizes from 3/8" to 2", with hose connection diameters from 15 mm to 56 mm and overall lengths from 53 mm to 95 mm, making them suitable for marine water intake, drainage, bilge, and plumbing systems.
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$ 18.58
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1-2 weeks delivery time The Osculati 17.525 Series Flush-Mount Skin Fittings are manufactured from marine-grade AISI 316 stainless steel and designed for through-hull installations requiring a flush external profile. Featuring mirror-polished ground connections, these fittings are available in thread sizes from 3/8" to 1-1/2", with lengths from 53 mm to 78 mm and internal diameters from 11 mm to 38 mm, providing a clean appearance while maintaining reliable performance in marine plumbing and drainage systems.
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$ 20.86
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1-2 weeks delivery time The Osculati 17.524 Series Flush-Mount Skin Fittings with Hose Adaptors are manufactured from marine-grade AISI 316 stainless steel and combine a flush external profile with an integrated hose connection. Featuring mirror-polished ground connections, these fittings are available in sizes from 1/2" to 1-1/2", with hose connection diameters from 18 mm to 44 mm and overall lengths from 60 mm to 78 mm, making them suitable for marine water intake, drainage, bilge, and plumbing installations where a low-profile hull finish is required.
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$ 20.27
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1-2 weeks delivery time The Osculati 17.526 Series 90° Skin Fittings are manufactured from marine-grade AISI 316 stainless steel and feature an integrated 90-degree hose connection for through-hull installations where space is limited. Designed for a maximum hull thickness of 25 mm, these fittings are available for hose diameters of 32 mm, 38 mm, and 51 mm, with mirror-polished ground connections for a professional marine finish.
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$ 97.31
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1-2 weeks delivery time The Osculati 17.319 Series Skin Fittings are manufactured from mirror-polished AISI 316 stainless steel and feature an integrated rubber check valve to help prevent backflow through the hull. Designed for marine drainage and discharge systems, these fittings are available in 1-1/2" and 2" thread sizes, with net passage diameters of 35 mm and 42 mm and lengths under the head of 78 mm and 100 mm respectively.
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$ 81.48
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1-2 weeks delivery time The Osculati 17.414 Series Thru-Hull Scoop Strainers are manufactured from marine-grade AISI 316 stainless steel and designed to protect seawater intake systems from debris. Featuring an integrated scoop strainer design and ground connection, these fittings are available in thread sizes from 3/8" to 3", making them suitable for engine cooling, generator cooling, air conditioning, and other onboard seawater intake applications.
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$ 24.99
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1-2 weeks delivery time The Osculati 17.415.06 BHF (Buzzi Hi-Flow) Thru-Hull Scoop Strainer is manufactured from AISI 316 stainless steel and features a patented Buzzi Hi-Flow profile that provides a water intake volume up to 2.5 times greater than a conventional scoop strainer with the same section. The monoblock stainless steel casting is designed to withstand the pressure of a lifting belt and is fitted with a ground connection for marine installations.
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$ 230.16
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1-2 weeks delivery time The Osculati 17.721 Series Full Flow Ball Valves are manufactured from AISI 316 stainless steel and feature a female-to-female threaded connection. Designed for marine and industrial fluid systems, these valves provide unrestricted full-flow performance and are available in thread sizes from 3/8" to 3", making them suitable for seawater, freshwater, fuel, drainage, and onboard plumbing applications.
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$ 25.72
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1-2 weeks delivery time The Osculati 17.722 Series 3-Way Ball Valves are manufactured from AISI 316 stainless steel and feature female threaded connections on all three ports. Designed for flow diversion applications, these valves use a "T" port configuration and are fitted with a handle lock for secure positioning. Available in thread sizes from 3/8" to 2", they provide reliable control of fluid routing in marine and industrial piping systems.
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$ 65.27
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1-2 weeks delivery time The Osculati 17.306 Series Male Hose Adaptors are manufactured from marine-grade AISI 316 stainless steel and designed for secure connections between threaded fittings and flexible hoses. Available in combinations from 3/8" x 12 mm up to 3" x 78 mm, these corrosion-resistant adaptors are suitable for seawater, freshwater, fuel, drainage, and general marine plumbing systems.
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$ 6.15
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1-2 weeks delivery time The Osculati 17.196 Series 90° Male Hose Adaptors are manufactured from marine-grade AISI 316 stainless steel and designed for hose connections where a right-angle fitting is required. Combining a male threaded connection with an integrated 90-degree hose tail, these adaptors are available in sizes from 3/8" x 15 mm to 1-1/4" x 38 mm, making them suitable for marine plumbing, seawater, freshwater, drainage, and fluid transfer systems.
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$ 7.63
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1-2 weeks delivery time The Osculati 17.194 Series 90° Female Hose Adaptors are manufactured from marine-grade AISI 316 stainless steel and designed to connect flexible hoses to female threaded fittings while allowing compact hose routing. The 90-degree configuration helps route pipes close to hull sides and reduces sharp hose bends. Available in sizes from 1/2" x 18 mm to 2" x 56 mm, these adaptors are suitable for marine plumbing, seawater, freshwater, and drainage systems.
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$ 20.35
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1-2 weeks delivery time The Osculati 17.210 Series Female Hose Adaptors are manufactured from marine-grade AISI 316 stainless steel and designed to connect flexible hoses to male threaded fittings. Available in sizes from 3/8" x 15 mm to 2" x 50 mm, these corrosion-resistant adaptors provide reliable connections for seawater, freshwater, fuel, drainage, and general marine plumbing systems.
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$ 10.01
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1-2 weeks delivery time The Osculati 17.326 Series 90° Female/Female Elbows are manufactured from marine-grade AISI 316 stainless steel and designed for connecting two female threaded fittings at a 90-degree angle. Available in thread sizes from 3/8" to 2", these corrosion-resistant elbows provide reliable flow direction changes in seawater, freshwater, fuel, drainage, and onboard plumbing systems.
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$ 5.37
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1-2 weeks delivery time The Osculati 17.124 Series 90° Male/Female Elbows are manufactured from marine-grade AISI 316 stainless steel and designed to connect male and female threaded fittings while changing the flow direction by 90 degrees. Available in thread sizes from 3/8" to 2", these corrosion-resistant elbows are suitable for seawater, freshwater, fuel, drainage, and general marine plumbing systems.
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$ 6.69
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1-2 weeks delivery time The Osculati 17.220 Series 45° Female/Female Elbows are manufactured from marine-grade AISI 316 stainless steel and designed to change flow direction by 45 degrees in threaded piping systems. Featuring female threads on both ends, these corrosion-resistant fittings are available in sizes from 3/8" to 2", making them suitable for seawater, freshwater, fuel, drainage, and general marine plumbing applications.
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$ 5.57
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1-2 weeks delivery time The Osculati 17.318 Series Tee Fittings are manufactured from marine-grade AISI 316 stainless steel and feature female threaded connections on all three ports. Designed for branching and distributing fluid flow in marine piping systems, these corrosion-resistant tee fittings are available in thread sizes from 3/8" to 2", making them suitable for seawater, freshwater, fuel, drainage, and general onboard plumbing applications.
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$ 6.90
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1-2 weeks delivery time The Osculati 17.125 Series Double Pipe Nipples are manufactured from marine-grade AISI 316 stainless steel and feature male threaded connections on both ends. Designed for joining female threaded fittings, valves, filters, and plumbing components, these corrosion-resistant connectors are available in thread sizes from 3/8" to 2" and are suitable for seawater, freshwater, fuel, drainage, and general marine piping systems.
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$ 4.40
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1-2 weeks delivery time The Osculati 17.321 Series Male/Female Reducer Bushings are manufactured from marine-grade AISI 316 stainless steel and designed to connect threaded components of different sizes. Featuring male and female threaded connections, these corrosion-resistant reducers are available in sizes from 3/8" x 1/4" up to 3" x 2-1/2", making them suitable for seawater, freshwater, fuel, drainage, and general marine plumbing systems.
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$ 44.75
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1-2 weeks delivery time The Osculati 17.370 Series Pipe Sleeves are manufactured from marine-grade AISI 316 stainless steel and designed to connect two male threaded components using female threads on both ends. Available in thread sizes from 3/8" to 2", with lengths from 27 mm to 53 mm and external diameters from 21 mm to 67 mm, these corrosion-resistant couplings are suitable for seawater, freshwater, fuel, drainage, and general marine plumbing systems.
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$ 5.95
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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.
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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.