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 1670 swing check valve is a metal-seated non-return valve made of yellow brass, designed for reliable backflow prevention in marine systems. Featuring BSPP threads (ISO 228/1), it provides durable operation and tight sealing without elastomer components. Available in sizes from 3/4" to 2".
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$ 27.73
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1-2 weeks delivery time The Guidi Bronze 2-Way FF ball valves are designed for reliable flow control in marine systems. Featuring female threads on both sides and available in sizes from 1/4" to 3", they provide durable, corrosion-resistant performance.
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$ 40.79
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1-2 weeks delivery time The Guidi 2210 is a threaded non-stick valve with position indicator, made of marine-grade bronze. Designed for reliable shut-off in marine systems, it features BSPP threads (EN 10226 / BS 21) and a visual indicator for valve position. Available in sizes from 1/2" to 2".
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$ 196.79
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1-2 weeks delivery time The Guidi 2260 “Alex” is a full-flow threaded non-stick valve made of marine bronze, designed for maximum flow efficiency and reliable shut-off. Featuring BSPP threads (EN 10226 / BS 21), it ensures minimal flow restriction and long-term resistance to sticking. Available in sizes from 3/8" to 2".
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$ 99.26
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1-2 weeks delivery time The Guidi 2300 is a full-flow lever-operated ball valve with female-female connections, made of marine bronze. Designed for maximum flow efficiency and quick manual operation, it features BSPP threads (EN 10226 / BS 21). Available in sizes from 3/8" to 2".
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$ 45.92
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1-2 weeks delivery time The Guidi 3163.440010 is a “Mediterraneo” series water strainer made of black anodized aluminum with a metal cover, designed for marine seawater filtration. It features BSPP threads (ISO 228/1) and is suitable for 2-1/2" piping systems. Built for durability and easy maintenance.
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$ 1,396.04
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1-2 weeks delivery time The Guidi 5010B Series bronze bulkhead feedthrough fittings are designed for passing pipes through walls and bulkheads. Available in sizes from 1/2" to 1 1/2" with lengths from 100 mm to 200 mm, they ensure secure and corrosion-resistant installation in marine systems.
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$ 46.65
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1-2 weeks delivery time The Guidi 51004NT.100106 is a brass hose tail fitting with 1/4" NPT male thread and 8 mm hose connection. Designed for secure hose attachment in marine systems, it provides reliable sealing and corrosion-resistant performance.
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$ 8.54
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1-2 weeks delivery time The Guidi 51121/C is a chromed brass through-hull fitting with Ø12 mm passage and 54 mm length. Designed for cockpit drainage and marine installations, it ensures reliable sealing and corrosion resistance.
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$ 13.98
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1-2 weeks delivery time The Guidi 51147AV.100150 is a special anti-venturi through-hull grommet with Ø25 mm passage and BSP thread. Designed to prevent unwanted siphoning effects, it ensures safe and controlled water flow in marine systems.
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$ 159.70
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1-2 weeks delivery time The Guidi 51160 Series Tirreno 1160 seawater strainers are designed for marine filtration systems. Available in sizes from 3/8" to 1", they provide efficient debris filtration and protect onboard equipment.
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$ 137.42
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1-2 weeks delivery time The Guidi CE02 Series stainless steel baskets are designed for Mediterraneo seawater filters. Available in multiple sizes, they provide efficient filtration and long-lasting corrosion resistance in marine environments.
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$ 37.81
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1-2 weeks delivery time The Guidi CE04-A130IE6R is a stainless steel 316 filter basket designed for cooling water filter type 5. It ensures efficient debris filtration and long-lasting corrosion resistance in marine systems.
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$ 147.67
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1-2 weeks delivery time The Guidi CH1180 spring key is a steel tool designed for opening deck filler caps. Its spring design ensures secure grip and easy operation. Compatible with deck fillers in sizes from 2-1/2" to 3".
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$ 18.17
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1-2 weeks delivery time The Guidi FI1533 stainless steel filter is designed for foot valves, providing reliable protection against debris in marine systems. It features a stainless steel mesh with BSPP threaded connection (ISO 228/1). Available in sizes from 3/8" to 2-1/2".
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$ 6.81
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1-2 weeks delivery time The Guidi KIT1158 is a replacement set for water strainers, including a nickel-plated brass cover and neoprene O-ring. Designed for BSPP threaded systems, it ensures secure sealing and easy maintenance. Compatible with sizes from 3/8" to 1".
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$ 32.31
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1-2 weeks delivery time The Guidi KIT1160 is a replacement set for water strainers, including a Grilamid TR55 transparent cover and neoprene O-ring. Designed for BSPP threaded systems, it allows visual inspection of the filter while ensuring secure sealing. Available for sizes from 3/8" to 1".
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$ 34.40
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1-2 weeks delivery time The Guidi KIT1160CE is a stainless steel 316 impurity gatherer designed for water strainers. It provides effective filtration of debris in marine systems and ensures protection of pumps and equipment. Compatible with sizes from 3/8" to 1".
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$ 29.29
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1-2 weeks delivery time The Guidi KIT1162CE is a stainless steel 316 impurity basket designed for water strainers series 1162, 3162, 1163, and 3163. It provides effective filtration of debris and protects onboard systems. Available in sizes from 3/8" to 4" for various strainer configurations.
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$ 52
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1-2 weeks delivery time The Guidi KIT1162DI is a transparent polycarbonate cover designed for marine water strainers series 1162 and 3162. It allows quick visual inspection of the filter without disassembly. Available in multiple sizes from 3/8" to 4", with different diameters and thicknesses depending on the model.
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$ 19.31
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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.