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 Guidi 0530 brass barrel nipple male is a BSPT threaded fitting made of corrosion-resistant yellow brass, designed for marine and industrial piping systems. This selection includes multiple sizes from 3/8" to 1 1/2" with lengths from 60 mm to 200 mm, ensuring reliable and secure connections.
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$ 6.49
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1-2 weeks delivery time The Guidi 0550 brass extension M/F is a BSPP threaded fitting with male and female connections, designed to extend pipe installations while keeping the same nominal thread size. Manufactured from yellow brass, it is suitable for marine and plumbing systems requiring compact threaded extensions. This selection includes sizes 3/8", 1/2", and 3/4" with lengths from 20 mm to 40 mm.
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$ 4.12
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1-2 weeks delivery time The Guidi 0600 brass reducing extension M/F is a BSPP threaded fitting with different male and female thread sizes, designed to connect pipes of different diameters. Made of yellow brass, it is suitable for marine and plumbing systems requiring reliable size transitions. This selection includes configurations 3/8" x 1/4" and 1/2" x 3/8".
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$ 2.50
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1-2 weeks delivery time The Guidi 1004 brass hose connector male is a BSPP threaded fitting designed to connect hoses to threaded pipe systems. Made of corrosion-resistant yellow brass, it ensures secure hose connections in marine and industrial applications. This range includes multiple thread sizes from 1/8" to 3" and hose diameters from 6 mm to 90 mm.
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$ 2.19
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1-2 weeks delivery time The Guidi 1004B bronze hose connector M is a BSPP male threaded hose tail fitting designed for secure connection between hoses and threaded pipe systems. Manufactured from marine-grade bronze, it ensures high corrosion resistance and durability in seawater environments. Available in multiple thread sizes and hose diameters, covering configurations from 1/4" to 5".
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$ 5.94
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1-2 weeks delivery time The Guidi 1004I stainless steel hose connector M “Extra” series is a BSPP male threaded hose tail fitting designed for high-strength hose connections in marine and industrial systems. Manufactured from stainless steel, it provides enhanced corrosion resistance and durability compared to standard brass or bronze fittings. Available in multiple thread and hose size combinations from 3/8" to 1 1/2". All variants include precise machining for secure hose retention and reliable sealing.
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$ 24.96
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1-2 weeks delivery time The Guidi 1004N.120109 is a nickel-plated brass hose connector M with BSPP male thread, designed for connecting hoses to threaded pipe systems. This model features a 3/4" thread and 13 mm hose tail, providing secure and corrosion-resistant performance. The nickel-plated finish enhances durability and resistance to oxidation, making it suitable for marine and plumbing applications.
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$ 4.23
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1-2 weeks delivery time The Guidi 1005 brass hose connector F is a BSPP female threaded hose tail fitting designed for connecting hoses to threaded pipe systems. Manufactured from yellow brass, it ensures reliable performance and corrosion resistance in marine and plumbing applications. This range includes multiple configurations from 1/4" to 3" thread sizes with various hose diameters.
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$ 2.50
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1-2 weeks delivery time The Guidi 1005B bronze hose connector F is a BSPP female threaded hose tail fitting designed for secure hose connections in marine systems. Manufactured from marine-grade bronze, it provides excellent corrosion resistance and durability in seawater environments. This selection includes multiple configurations from 1/2" to 1 1/2" thread sizes with corresponding hose diameters.
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$ 17.88
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1-2 weeks delivery time The Guidi 1008 brass threaded tube is a BSPP fully threaded pipe designed for use in marine and plumbing systems. Manufactured from yellow brass, it provides reliable corrosion resistance and compatibility with standard BSPP fittings. Available in multiple thread sizes from 3/8" to 2", it is suitable for extensions, connections, and custom pipe assemblies.
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$ 68.87
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1-2 weeks delivery time The Guidi 1016 brass double hose connector is a straight hose-to-hose coupling designed for connecting two flexible hoses of the same diameter. Manufactured from yellow brass, it provides durability and corrosion resistance for marine and plumbing applications. Available in multiple hose diameters from 8 mm to 25 mm.
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$ 3.80
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1-2 weeks delivery time The Guidi 1050 Series straight fittings are brass compression-to-male thread connectors designed for secure pipe and hose connections in marine systems. Available in sizes from 1/4"x8 to 1/2"x12, they ensure reliable sealing and durability.
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$ 5.83
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1-2 weeks delivery time The Guidi 1055 Series straight fittings are brass female connectors designed for copper pipe installations. Available in sizes from 3/8"x10 to 1/2"x14, they provide secure, leak-free connections in marine and technical systems.
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$ 7.07
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1-2 weeks delivery time The Guidi 1065 Series fittings are 90° brass elbow connectors with compression and male thread connections, designed for copper pipe systems. Available in sizes 3/8"x10 and 1/2"x14, they ensure reliable and compact installation in marine applications.
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$ 6.62
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1-2 weeks delivery time The Guidi 1070.100510 is a brass double swivel 90° elbow fitting designed for copper pipe Ø10 mm. It features dual compression connections, allowing flexible alignment and secure installation in compact marine systems.
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$ 8.49
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1-2 weeks delivery time The Guidi 1075 Series fittings are brass 90° elbow connectors with compression and female thread connections, designed for copper pipe systems. Available in sizes 1/4"x10 and 3/8"x12, they ensure secure and compact installation in marine applications.
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$ 5.65
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1-2 weeks delivery time The Guidi 1080 Series tee fittings are brass connectors designed for copper pipe systems. Available in Ø8 mm, Ø10 mm, and Ø12 mm sizes, they provide reliable three-way connections for marine and technical installations.
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$ 11.14
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1-2 weeks delivery time The Guidi 1112 grated water intake “2000” series is a BSPP threaded thru-hull fitting designed for seawater intake applications. Manufactured from yellow brass, it features an integrated protective grate to prevent debris ingress. Suitable for marine systems such as engine cooling and water circulation, available in sizes from 2 1/2" to 4".
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$ 237.68
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1-2 weeks delivery time The Guidi 1112B “2000” series is a bronze grated water intake with BSPP thread (ISO 228 / BS 2779), available in sizes from 1/2" to 4". Designed for marine seawater intake systems, it provides effective debris protection and reliable flow performance. Lloyd’s Register type approved and patented construction.
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$ 39.43
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1-2 weeks delivery time The Guidi 1114 “Speedy” series is a yellow brass grated water intake with BSPP thread (ISO 228 / BS 2779), available in sizes from 3/8" to 2". Designed for marine seawater intake systems, it features a compact low-profile shape for reduced drag and reliable debris protection.
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$ 17.12
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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.