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 1115 “Speedy” series is a yellow brass drilled water intake with BSPP thread (ISO 228 / BS 2779), available in sizes from 3/8" to 2". Featuring a perforated plate design, it ensures consistent water flow with effective debris filtration in compact marine installations.
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$ 23.10
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1-2 weeks delivery time The Guidi 1116 is a slotted round scoop intake made from yellow brass, available in diameters from 60 mm to 150 mm. Designed for hull-mounted seawater intake, it features a directional scoop shape to improve water flow and slotted protection against debris ingress.
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$ 8.37
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1-2 weeks delivery time The Guidi 1118 is a slotted scoop intake made from yellow brass, available in sizes 2 1/2" to 4". Designed for hull mounting, it features a rectangular scoop shape that enhances water intake efficiency while protecting systems from debris.
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$ 114.28
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1-2 weeks delivery time The Guidi 1120 is a grated water intake made from yellow brass with BSPP thread (ISO 228 / BS 2779), available in sizes from 3/8" to 2". Featuring an angled scoop design, it improves water intake efficiency while protecting systems from debris.
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$ 20.74
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1-2 weeks delivery time The Guidi 1121 is a straight thru-hull connection made from yellow brass with BSPP thread (ISO 228 / BS 2779), available in sizes from 1/4" to 4". Designed for secure hull penetration, it provides a reliable connection point for marine plumbing and seawater systems.
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$ 8.13
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1-2 weeks delivery time The Guidi 1121C is a straight thru-hull connection made from chromium-plated brass with BSPP thread (ISO 228 / BS 2779), available in sizes from 3/8" to 3". Designed for visible hull installations, it combines corrosion resistance with a polished finish for enhanced appearance.
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$ 12.81
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1-2 weeks delivery time The Guidi 1122 is a thru-hull connection with a well-pattern head, made from yellow brass with BSPP thread (ISO 228 / BS 2779), available in sizes from 3/8" to 2". Designed for improved water intake characteristics and secure hull installation in marine systems.
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$ 9.41
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1-2 weeks delivery time The Guidi 1122C thru-hull connection well pattern is a chromed brass fitting designed for marine installations requiring a flush external profile. It features BSPP thread (ISO 228/1) and is available in sizes from 3/8" to 2", ensuring compatibility with various onboard systems. Suitable for seawater intake and discharge applications.
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$ 14.23
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1-2 weeks delivery time The Guidi 1123 thru-hull connection with hose adaptor is a yellow brass fitting designed for direct hose connection in marine systems. It features BSPP thread (ISO 228/1) and an integrated hose tail for secure attachment. Available in sizes from 3/8" to 3", it is suitable for seawater intake and discharge installations.
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$ 10.97
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1-2 weeks delivery time The Guidi 1126.100005 is a manual sump oil change pump made of yellow brass, designed for efficient oil extraction in marine engines. It features a 3/4" BSPP connection and a robust construction suitable for regular maintenance operations onboard.
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$ 64.82
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1-2 weeks delivery time The Guidi 1128 "Export" series sump oil change pump is a manual pump made of yellow brass, designed for efficient oil extraction in marine engines. It features BSPP thread (ISO 228/1) and is available with metric connections M14x1.5 and M16x1.5, ensuring compatibility with various engine systems.
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$ 119.56
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1-2 weeks delivery time The Guidi 1130.100003 is a pushbutton cock made of yellow brass, designed for controlled water flow in marine systems. It features a 3/8" BSPP thread (ISO 228/1) and a compact pushbutton mechanism for quick and reliable operation.
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$ 33.62
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1-2 weeks delivery time The Guidi 1141 flanged lock nut light series is a yellow brass fitting designed for securing thru-hull and pipe connections in marine systems. It features BSPP thread (ISO 228/1) and is available in sizes from 3/8" to 2", ensuring reliable fastening and sealing performance.
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$ 1.97
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1-2 weeks delivery time The Guidi 1142 hexagonal nut light series is a yellow brass fitting designed for securing threaded pipe and thru-hull connections in marine systems. It features BSPP thread (ISO 228/1) and is available in sizes from 1/2" to 2", ensuring reliable fastening in various installations.
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$ 1.67
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1-2 weeks delivery time The Guidi 1143 washer light series is a yellow brass sealing washer designed for marine pipe and thru-hull installations. Available in sizes from 1/4" to 2", it provides reliable sealing and load distribution for threaded connections.
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$ 0.91
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1-2 weeks delivery time The Guidi 1144 washer heavy series is a yellow brass sealing washer designed for marine pipe and thru-hull installations requiring increased strength. Available in sizes from 3/8" to 2", it provides enhanced load distribution and reliable sealing for heavy-duty applications.
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$ 1.54
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1-2 weeks delivery time The Guidi 1145 washer with cable connection is a yellow brass fitting designed for bonding and grounding of marine thru-hull and pipe systems. It features BSPP thread (ISO 228/1) and an integrated cable connection point. Available in sizes from 3/8" to 4", it ensures reliable electrical continuity and corrosion protection.
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$ 4.74
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1-2 weeks delivery time The Guidi 1147 thru-hull connection is a marine-grade yellow brass fitting designed for hull installations in seawater intake and discharge systems. It features BSPP thread (ISO 228/1) and is available in sizes from G 1/2" to G 2", ensuring compatibility with standard marine plumbing. Suitable for boats and yachts requiring reliable and corrosion-resistant thru-hull solutions.
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$ 29.39
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1-2 weeks delivery time The Guidi 1158 Tirreno series water strainer is a nickel-plated brass filter designed for marine seawater systems. It features a metal cover, BSPP thread (ISO 228/1), and is suitable for protecting engines and onboard systems from debris. Available in sizes G 3/4" and G 1", it ensures reliable filtration and durability in marine environments.
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$ 109.72
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1-2 weeks delivery time The Guidi 1160.120005 Tirreno series water strainer is a nickel-plated brass filter designed for marine seawater systems, featuring a transparent Grilamid TR55 cover for easy inspection. Equipped with BSPP thread (ISO 228/1), it ensures reliable filtration and compatibility with standard marine plumbing. Size: G 3/4".
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$ 110.48
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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.