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 Faired Scupper Vent is manufactured from chromed brass and features a fully threaded body for secure installation in hull drainage and venting applications. Available in thread sizes from 1/2" to 2", with threaded neck lengths from 65 mm to 90 mm, the vent is designed for marine drainage systems requiring a streamlined external profile.
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$ 19.35
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1-2 weeks delivery time The Osculati Stainless Steel Faired Scupper Vent is manufactured from precision-cast, mirror-polished AISI 316 stainless steel and features a fully threaded body for secure installation. Designed for marine drainage and venting applications, it is available in thread sizes from 1/2" to 2", with threaded neck lengths ranging from 65 mm to 90 mm and external dimensions from 38 x 38 x 18 mm to 80 x 80 x 44 mm.
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$ 32.24
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1-2 weeks delivery time The Osculati Flush Head Cockpit Drain is manufactured from white nylon and fitted with an integrated strainer net to help prevent debris from entering the drainage system. Designed for flush installation, the drain features a 1-1/2" size, 47 mm thread diameter, dual 32/38 mm hose connection compatibility, and an overall length of 117 mm.
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$ 14.98
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1-2 weeks delivery time The Osculati Shower and Cockpit Drainer is manufactured from white nylon and fitted with an integrated filter and 100° elbow outlet for efficient drainage in marine shower trays, cockpits, and wet areas. Available in three sizes with flange diameters from 45 mm to 70 mm and hose connections of 19 mm, 29 mm, or 38 mm, the drainer is designed for compact installation and reliable water evacuation.
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$ 21.49
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1-2 weeks delivery time The Osculati Skin Fitting is manufactured from white nylon and fitted with an integrated check valve for controlled water flow and backflow prevention. Designed for pressure-mounted installations, it provides a large Ø50 mm clear passage equivalent to 1960 mm² flow area and is suitable for hull thicknesses from 30 mm to 139 mm. Installation requires a Ø66 mm mounting hole.
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$ 22.90
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1-2 weeks delivery time The Osculati Universal Pipe Adapter Set is manufactured from plastic and designed to connect 3/4", 1", and 1-1/2" piping systems. The adapter provides hose connection options for 20 mm, 25 mm, and 38 mm hoses. The included sleeve can be cut and modified as required to enable connection to 1-1/2" fittings, offering installation flexibility for a variety of marine plumbing applications.
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$ 19.35
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1-2 weeks delivery time The Osculati Suction Strainer is manufactured from marine brass and fitted with a dirt-proof stainless steel screen for reliable protection of bilge pump systems. Designed for use with self-priming pumps, it features a horizontal outlet and is suitable for pumps with 1/2" (16/19 mm) outlet connections. The strainer measures 56 x 56 x 96 mm with a height of 25 mm.
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$ 21.19
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1-2 weeks delivery time The Osculati Suction Strainer is manufactured from marine brass and fitted with a dirt-proof stainless steel screen to protect bilge pumps from debris. Designed for self-priming pumps with 1/2" (16/19 mm) outlet sizes, this version is intended for vertical transom mounting and features a compact 55 x 55 mm base for installation in confined spaces.
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$ 22.44
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1-2 weeks delivery time The Osculati Jumbo Suction Strainer is manufactured from brass and designed for use in marine suction and bilge pumping systems. Featuring a large 158 x 71 mm perforated intake surface and an 18 mm hose connection, the strainer helps prevent debris from entering the suction line while maintaining unrestricted water flow.
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$ 19.86
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1-2 weeks delivery time The Osculati Suction Strainer is manufactured from AISI 316 stainless steel and designed for bilge pump suction lines. Fitted with a stainless steel dirt-proof screen, it helps prevent debris from entering the pump system while maintaining efficient water flow. Suitable for bilge pumps with 1/2" (16/18 mm) hose connections, the strainer features compact dimensions of 57 x 58 mm and a height of 21 mm.
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$ 31.50
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1-2 weeks delivery time The Whale Suction Strainer is manufactured from black plastic and designed for installation in a vertical descending position from the pipe. Suitable for use with manual pumps featuring 25 mm or 38 mm hose connections, the unit is fitted with an integrated non-return foot valve to help maintain pump priming. The strainer measures 147 x 56 x 104 mm.
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$ 54.16
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1-2 weeks delivery time The Whale Suction Strainer is manufactured from black plastic and designed for horizontal installation in marine pumping systems. Suitable for manual pumps with 25 mm or 38 mm hose connections, it incorporates an integrated non-return foot valve to help maintain pump priming and prevent water from draining back into the system. The unit measures 170 x 120 x 58 mm.
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$ 59.65
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1-2 weeks delivery time The Whale Adjustable Suction Strainer is designed for use with both manual and electric pumps and is fitted with an integrated check valve. Featuring a 19 mm hose connection and a swivel hose outlet adjustable in four positions, it provides installation flexibility in confined spaces. The strainer is particularly suitable for use with the Whale Gulper 320 pump and measures 145 x 60 x 52 mm.
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$ 65.39
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1-2 weeks delivery time The Whale Semirigid 90° Elbow is designed for use with Henderson MKV intake and delivery pumps. Manufactured for 90° outlet connections, it provides a compact solution for hose routing in marine pumping systems. The elbow features a Ø38 mm connection and is suitable for Henderson MKV pump models referenced as 15.268.01, 15.268.03, and 15.270.00.
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$ 32.14
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1-2 weeks delivery time The Whale Narrow Y-Connection is designed to combine two Ø38 mm water outlet pipes into a single skin fitting connection. Manufactured for marine plumbing systems, this compact Y-adapter provides a practical solution for joining two drainage or discharge lines into one outlet while maintaining a streamlined installation.
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$ 24.60
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1-2 weeks delivery time The Osculati Suction Strainer is manufactured from heavy precision-cast AISI 316 stainless steel and fitted with an integrated vent, filtering screen, and check valve. Designed for marine suction and bilge pump systems, it is available in horizontal hose connection versions for 25 mm and 38 mm pipe sizes. The strainer features a 115 x 100 mm base and combines filtration with backflow prevention in a durable stainless steel construction.
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$ 85.99
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1-2 weeks delivery time The Osculati Suction Strainer is manufactured from heavy precision-cast AISI 316 stainless steel and fitted with an integrated vent, filtering screen, and check valve. Designed for marine suction and bilge pump systems, it is available in vertical hose connection versions for 25 mm and 38 mm pipe sizes. The strainer features a 150 x 70 mm base and combines effective filtration with backflow prevention in a corrosion-resistant stainless steel construction.
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$ 73.80
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1-2 weeks delivery time The Whale Henderson 3-Way Diverter Valve is designed to control flow between two separate bilges or tanks using a single pump or intake line. Suitable for Whale Henderson MKV series pumps, the valve allows operation even when one bilge is dry. It can also be used to distribute water from a single intake to two separate tanks and may be mounted on a wall or behind a bulkhead. Available with 25 mm and 38 mm hose connections.
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$ 192.26
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1-2 weeks delivery time The Osculati Flush Mount Filter is designed to prevent clogging caused by hair and debris in bilge pump and shower drain systems. The filter features a transparent plastic housing for quick visual inspection and maintenance, making it particularly suitable for diaphragm and link rod pumps including Par, Fiamma, Flojet, Shurflo, and similar systems. Available with 5/8" (15.8 mm) and 3/4" (19 mm) hose connections.
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$ 17.13
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1-2 weeks delivery time The Osculati Nylon Cylindrical Water Hose Joints are designed as a modular hose connection system for joining water hoses of different diameters. Manufactured from nylon, the fittings are available in sizes from Ø12 mm to Ø35 mm and can be combined according to compatibility groups A, B, C, D, and E to create custom hose adapters for various marine plumbing applications.
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$ 28.13
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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.