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 TruDesign Aquavalve 3-Way Connector 1 1/2" (38 mm) Black is a marine plumbing connector designed for creating flexible three-way hose connections in Aquavalve systems. Suitable for different hose configurations, this composite connector supports installation with various Aquavalve tails and provides durable corrosion-resistant performance for marine sanitation and water systems.
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$ 49.64
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1-2 weeks delivery time The TruDesign Aquavalve 3-Way Connector 1 1/2" (38 mm) White is a composite marine plumbing connector designed for flexible three-way hose connections in Aquavalve systems. Suitable for multiple hose configurations, this corrosion-resistant connector allows different Aquavalve tails to be installed for marine sanitation and water management systems.
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$ 49.64
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1-2 weeks delivery time The TruDesign Aquavalve Wrench Extender for Through Bulkhead Installation is designed for use with TruDesign Aquavalve systems, providing secure extension and access for bulkhead pass-through installations. Manufactured for reliable operation and simplified maintenance, this durable extension component assists with installation and operation of manual Aquavalve Y valve systems in marine sanitation applications.
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$ 9.15
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1-2 weeks delivery time The TruDesign Front Aquavalve Fascia Upgrade Kit is designed for upgrading and improving the front interface of TruDesign Manual Aquavalve (Y Valve) systems. Suitable for marine sanitation installations, this upgrade pack supports reliable operation and seamless integration with existing Aquavalve plumbing systems.
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$ 16.60
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1-2 weeks delivery time The TruDesign Aquavalve Thin Red Ring Seal is a replacement sealing component designed for TruDesign Aquavalve marine Y valve systems. This thin red sealing ring supports secure valve sealing and reliable operation in marine sanitation and plumbing installations.
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$ 3.40
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1-2 weeks delivery time The TruDesign Aquavalve Thick Blue Ring Seal is a replacement sealing component designed for TruDesign Aquavalve marine Y valve systems. Featuring a thick blue ring construction, this component supports reliable sealing performance and durable operation in marine sanitation and plumbing installations.
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$ 3.40
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1-2 weeks delivery time The TruDesign Aquavalve Straight Hose Tail fittings are designed for use with TruDesign Aquavalve systems, including Aquavalve, Aquavalve Through Bulkhead, Electronic Aquavalve, and 3 Way Connector installations. These straight BSP hose tails provide secure hose connections for marine plumbing systems and feature thicker blue seals that allow rotational adjustment during installation. Available in 1 1/2" BSP x 19 mm, 25 mm, 32 mm, and 38 mm sizes.
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$ 4.31
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1-2 weeks delivery time The TruDesign Aquavalve Straight Hose Tail fittings are designed for use with TruDesign Aquavalve systems, including Aquavalve, Aquavalve Through Bulkhead, Electronic Aquavalve, and 3 Way Connector installations. These straight BSP hose tails provide secure hose connections for marine sanitation and plumbing systems and feature thicker blue seals that allow rotational adjustment during installation. Available in 1 1/2" BSP x 19 mm, 25 mm, 32 mm, and 38 mm sizes in white composite construction.
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$ 5.94
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1-2 weeks delivery time The TruDesign Aquavalve 90° Hose Tail fittings are designed for marine plumbing systems requiring angled hose connections with reduced installation space. Compatible with TruDesign Aquavalve, Aquavalve Through Bulkhead, Electronic Aquavalve, and 3 Way Connector systems, these 90° fittings include Blue Seal rings for adjustable positioning during installation. Available in 1 1/2" BSP x 25 mm and 1 1/2" BSP x 38 mm black composite versions.
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$ 16.14
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1-2 weeks delivery time The TruDesign Aquavalve 120° Hose Tail fitting is designed for marine plumbing systems requiring angled hose routing in restricted installation spaces. Compatible with TruDesign Aquavalve, Aquavalve Through Bulkhead, Electronic Aquavalve, and 3 Way Connector systems, this 120° composite fitting includes a Blue Seal ring for adjustable positioning during installation. Connection size: 1 1/2" BSP x 25 mm.
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$ 15.32
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1-2 weeks delivery time The TruDesign Aquavalve White 90° Hose Tail fittings are designed for marine plumbing systems requiring angled hose routing in confined installation spaces. Compatible with TruDesign Aquavalve, Aquavalve Through Bulkhead, Electronic Aquavalve, and 3 Way Connector systems, these 90° composite fittings include Blue Seal rings for adjustable positioning during installation. Available in 1 1/2" BSP x 25 mm and 1 1/2" BSP x 38 mm white versions.
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$ 11.43
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1-2 weeks delivery time The TruDesign Aquavalve 120° Hose Tail fittings are designed for marine plumbing systems requiring angled hose routing and flexible installation layouts. Compatible with TruDesign Aquavalve, Aquavalve Through Bulkhead, Electronic Aquavalve, and 3 Way Connector systems, these 120° composite fittings include Blue Seal rings for adjustable positioning during installation. Available in 1 1/2" BSP x 25 mm and 1 1/2" BSP x 38 mm white versions.
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$ 11.43
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1-2 weeks delivery time The TruDesign Threaded Nipple Connector is designed to connect TruDesign Aquavalve systems to standard 1 1/2" BSP PVC plumbing fittings. Featuring a short thread section for Aquavalve attachment and a long thread section for standard PVC fittings, this composite connector allows secure solvent-glued PVC pipe integration in marine plumbing systems. Connection size: 1 1/2" x 1 1/2" BSP.
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$ 13.67
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1-2 weeks delivery time The TruDesign Aquavalve White Threaded Nipple Connector is designed to connect TruDesign Aquavalve systems to standard 1 1/2" BSP PVC plumbing fittings. Featuring a short thread section for Aquavalve attachment and a long thread section for standard PVC fittings, this composite connector allows secure solvent-glued PVC pipe integration in marine plumbing systems. Connection size: 1 1/2" x 1 1/2" BSP.
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$ 14.43
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1-2 weeks delivery time The TruDesign Aquavalve Plug is designed to seal unused ports on Manual and Electronic Aquavalves or Threaded T-Piece connectors in marine plumbing systems. This 1 1/2" BSP composite plug allows temporary system isolation during maintenance or future installation expansion while maintaining system operation. Corrosion-resistant black composite construction for marine environments.
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$ 4.40
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1-2 weeks delivery time The TruDesign Aquavalve Plug is designed to seal unused ports on Manual and Electronic Aquavalves or Threaded T-Piece connectors in marine plumbing systems. This 1 1/2" BSP composite plug allows temporary system isolation during maintenance or future installation expansion while maintaining system operation. Corrosion-resistant white composite construction for marine environments.
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$ 5.45
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1-2 weeks delivery time The TruDesign Straight Hose Tail fittings are marine-grade composite hose connectors designed for secure hose-to-threaded fitting connections in marine plumbing systems. Manufactured from glass-reinforced nylon composite, these straight BSP/NPS tail fittings provide high strength, corrosion resistance, and compatibility with TruDesign Ball Valves and threaded marine components. Available in sizes from 1/2" x 13 mm up to 2" x 50 mm.
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$ 3.16
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1-2 weeks delivery time The TruDesign Unequal Straight Hose Tail fittings are marine-grade composite adapters designed for connecting different hose diameters to BSP threaded plumbing systems. Manufactured from glass-reinforced nylon composite, these unequal hose tails provide high strength, corrosion resistance, and secure twin hose clamp installation for demanding marine environments. Available in sizes from 1/2" x 16 mm up to 3" x 75 mm.
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$ 3.47
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1-2 weeks delivery time The TruDesign Female Straight Hose Tail fittings are marine-grade composite hose connectors designed for secure hose-to-threaded fitting connections in marine plumbing systems. Manufactured from glass-reinforced nylon composite, these female BSP/NPS threaded hose tails provide high strength, corrosion resistance, and crush-resistant performance for demanding marine environments. Available in sizes from 3/4" x 19 mm up to 2" x 50 mm.
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$ 10.57
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1-2 weeks delivery time The TruDesign Unequal Female Straight Hose Tail fittings are marine-grade composite hose connectors designed for connecting different hose diameters to female BSP/NPS threaded plumbing systems. Manufactured from glass-reinforced nylon composite, these fittings provide high strength, corrosion resistance, and crush-resistant performance for demanding marine environments. Available in sizes from 3/4" x 22 mm up to 1 3/4" x 38 mm.
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$ 11.50
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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.