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 0245 is a brass reducing nipple with BSPP threads, designed to connect different pipe sizes using male to male threaded connections. Manufactured from yellow brass, it offers reliable performance and corrosion resistance for marine and industrial applications. Suitable for plumbing, fuel, and water systems. Sizes range from 1/4" x 1/8" up to 3" x 2" and larger.
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$ 2.42
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1-2 weeks delivery time The Guidi 0245B is a bronze reducing nipple with BSPT threads, designed for connecting different pipe sizes using male to male threaded connections. Manufactured from marine-grade bronze, it provides excellent corrosion resistance and durability in seawater systems. Suitable for marine plumbing, cooling, and fuel installations. Sizes range from 3/8" x 1/4" to 4" x 3".
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$ 6.90
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1-2 weeks delivery time The Guidi 0246 is a brass reducing nipple with BSP threads, designed for connecting different pipe sizes via female to male threaded connections. Manufactured from yellow brass, it provides reliable performance and corrosion resistance for marine and industrial applications. Suitable for plumbing, fuel, and water systems. Sizes range from 1/8" x 1/4" to 1 1/2" x 2".
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$ 3.98
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1-2 weeks delivery time The Guidi 0246B Bronze Reducing Nipple F-M is a marine-grade BSP threaded fitting (ISO 228/1, BS 2779, EN 10226) designed to connect pipes of different diameters. It features a female-to-male configuration and is manufactured from corrosion-resistant bronze for reliable use in seawater systems. Available in multiple size combinations. Article numbers: 0246B.200202 – 0246B.200220.
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$ 8.64
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1-2 weeks delivery time The Guidi 0270 Brass Equal Socket F is a BSP threaded female coupling (ISO 228/1, BS 2779) designed for connecting pipes of the same diameter. Manufactured from yellow brass, it ensures reliable sealing and corrosion resistance in marine and plumbing systems. Available in sizes from 1/8" to 3". Article numbers: 0270.100001 – 0270.100011.
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$ 2.80
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1-2 weeks delivery time The Guidi 0270B Bronze Equal Socket F is a BSP threaded female coupling (EN 10226 / BS 21) designed for connecting pipes of the same diameter. Manufactured from marine-grade bronze, it provides excellent corrosion resistance for seawater and onboard systems. Available in sizes from 3/8" to 3". Article numbers: 0270B.200003 – 0270B.200011.
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$ 5.94
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1-2 weeks delivery time The Guidi 0270I Stainless Steel Equal Socket F is a BSP threaded female coupling designed for connecting pipes of the same diameter. Manufactured from stainless steel (AISI 316), it offers excellent corrosion resistance for marine and aggressive environments. Available in sizes from 1/4" to 1 1/2". Article numbers: 0270I.500002 – 0270I.500008.
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$ 5.19
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1-2 weeks delivery time The Guidi 0280 Brass Nipple M-M is a BSP threaded male-to-male pipe fitting (EN 10226 / BS 21) designed for connecting two female-threaded components of the same size. Manufactured from yellow brass, it provides reliable sealing and corrosion resistance for marine and plumbing systems. Available in sizes from 1/8" to 3". Article numbers: 0280.100001 – 0280.100011.
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$ 1.84
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1-2 weeks delivery time The Guidi 0280B Bronze Nipple M-M is a BSP threaded male-to-male pipe fitting (EN 10226 / BS 21) designed for connecting two female-threaded components of the same size. Manufactured from marine-grade bronze, it ensures high corrosion resistance and durability for seawater and onboard systems. Available in sizes from 1/4" to 4". Article numbers: 0280B.200002 – 0280B.200013.
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$ 4.99
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1-2 weeks delivery time The Guidi 0280I Stainless Steel Nipple M-M is a BSP threaded male-to-male pipe fitting designed for connecting two female-threaded components of the same size. Manufactured from AISI 316 stainless steel, it provides excellent corrosion resistance for marine and aggressive environments. Available in sizes from 1/4" to 1 1/2". Article numbers: 0280I.500002 – 0280I.500008.
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$ 3.80
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1-2 weeks delivery time The Guidi 0290 Brass Plug M is a BSP threaded male pipe plug (EN 10226 / BS 21) designed for sealing threaded pipe ends. Manufactured from yellow brass, it provides reliable sealing and corrosion resistance for marine and plumbing systems. Available in sizes from 1/8" to 3". Article numbers: 0290.100001 – 0290.100011.
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$ 2.07
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1-2 weeks delivery time The Guidi 0290B Bronze Plug M is a BSP threaded male pipe plug (EN 10226 / BS 21) designed for sealing threaded pipe ends. Manufactured from marine-grade bronze, it provides excellent corrosion resistance and durability for seawater and onboard systems. Available in sizes from 1/8" to 2". Article numbers: 0290B.200001 – 0290B.200009.
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$ 4.33
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1-2 weeks delivery time The Guidi 0290I Stainless Steel Plug M is a BSP threaded male pipe plug designed for sealing threaded pipe ends. Manufactured from AISI 316 stainless steel, it provides excellent corrosion resistance for marine and aggressive environments. Available in sizes from 1/4" to 1 1/2". Article numbers: 0290I.500002 – 0290I.500008.
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$ 3.72
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1-2 weeks delivery time The Guidi 0300 Brass Cap F is a BSP threaded female pipe cap designed for sealing male-threaded pipe ends. Manufactured from yellow brass, it ensures reliable sealing and corrosion resistance in marine systems. Available in sizes from 1/8" to 2". Article numbers: 0300.100001 – 0300.100009.
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$ 1.61
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1-2 weeks delivery time The Guidi 0300B Bronze Cap F is a BSP threaded female pipe cap designed for sealing male-threaded pipe ends. Manufactured from marine-grade bronze, it provides superior corrosion resistance and durability in seawater environments. Available in sizes from 1/8" to 2". Article numbers: 0300B.200001 – 0300B.200009.
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$ 4.40
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1-2 weeks delivery time The Guidi 0300I Stainless Steel Cap F is a BSP threaded female pipe cap designed for sealing male-threaded pipe ends. Manufactured from stainless steel, it offers high corrosion resistance and durability in marine and industrial environments. Available in sizes from 1/4" to 1 1/2". Article numbers: 0300I.500002 – 0300I.500008.
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$ 5.01
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1-2 weeks delivery time The Guidi 0310 Brass Lock Nut is a BSP threaded female locking nut designed for securing threaded fittings in pipe systems. Manufactured from yellow brass, it ensures reliable fastening and corrosion resistance in marine environments. Available in sizes from 1/8" to 2". Article numbers: 0310.100001 – 0310.100009.
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$ 1.21
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1-2 weeks delivery time The Guidi 0340 Brass Union F-F is a BSP female-to-female threaded union with a tapered seat and integrated O-ring for secure sealing. Manufactured from yellow brass, it enables easy disconnection of pipe sections while maintaining a leak-tight connection. Available in sizes from 1/2" to 2". Article numbers: 0340.100004 – 0340.100009.
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$ 18.33
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1-2 weeks delivery time The Guidi 0341 Brass Union M-F is a BSP threaded male-to-female union with a tapered seat and integrated O-ring for secure sealing. Manufactured from yellow brass, it allows easy disconnection of pipe sections while ensuring a reliable, leak-tight connection. Available in sizes from 1/2" to 2". Article numbers: 0341.100004 – 0341.100009.
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$ 20.84
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1-2 weeks delivery time The Guidi 0341B 2 1/2" Bronze Union M-F is a BSP threaded male-to-female union with a tapered seat and integrated O-ring for secure sealing. Manufactured from marine-grade bronze, it ensures excellent corrosion resistance and allows easy disconnection of pipe sections in demanding marine environments. Article number: 0341B.200010.
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$ 196.12
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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.