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.
|
1-2 weeks delivery time The Stainless Steel 316 Combination Air Vent with Integrated 1/2" Brass Non-Return Valve is designed to remove trapped air from marine and industrial piping systems. Featuring a Stainless Steel 316 venting bend with BSP connection and a factory-mounted 1/2" brass check valve, it provides reliable venting and backflow protection. Available in 3/4" and 1 1/4" BSP sizes.
|
$ 130.15
Size:
| ||
|
1-2 weeks delivery time The Brass Air Vent with 1/2" BSP Thread is designed to release trapped air from marine and industrial piping systems. Manufactured from brass, it helps maintain efficient fluid circulation and prevents air locks in water transfer, cooling, and plumbing installations.
|
$ 24.57
-
+
| ||
|
1-2 weeks delivery time The Plexiglass Sight Tube Ø12 mm is designed for use in tank level gauge systems, providing a clear visual indication of liquid levels. Manufactured from transparent plexiglass and supplied in a 2 m length, it is suitable for installation with compatible sight glass fittings and valves in marine, industrial, and storage tank applications.
|
$ 43.89
-
+
| ||
|
1-2 weeks delivery time The Tank Sight Glass Upper Elbow 1/2" BSP is designed for the upper connection of liquid level gauge installations. It provides a secure mounting point for Ø12 mm sight tubes and helps create a reliable tank level monitoring system for marine, industrial, and storage tank applications.
|
$ 45.98
-
+
| ||
|
1-2 weeks delivery time The Tank Sight Glass Lower Elbow 1/2" BSP is designed for the lower connection of liquid level gauge installations. It provides a secure mounting point for Ø12 mm sight tubes and forms the bottom connection of a tank level monitoring system used in marine, industrial, and storage tank applications.
|
$ 61.24
-
+
| ||
|
1-2 weeks delivery time The Self-Closing Sight Glass Valve 1/2" BSP is designed for tank level gauge installations using external sight tubes. Featuring a push-button operated self-closing mechanism and supplied with a plug, it provides controlled access to the sight glass system while helping improve operational safety during maintenance and inspection.
|
$ 151.42
-
+
| ||
|
1-2 weeks delivery time The Sight Glass Drain Valve 1/2" BSP is designed for tank level gauge systems equipped with external sight tubes. Featuring an integrated drain function, it allows controlled draining, cleaning, and maintenance of the sight glass assembly. Suitable for freshwater, fuel, storage, and process tank installations.
|
$ 98.96
-
+
| ||
|
1-2 weeks delivery time The Sight Glass Rubber Seal 12 x 18 x 8.5 mm is designed for sealing sight tube connections in tank level gauge systems. Suitable for Ø12–13 mm sight tubes, it provides a secure seal between the tube and associated fittings, helping maintain reliable operation of tank level monitoring installations.
|
$ 5.01
-
+
| ||
|
1-2 weeks delivery time The Brass Deck Fill Cap is designed for fuel, water, waste, and other tank filling systems. Manufactured from brass and installed flush with the deck surface, it provides a durable and corrosion-resistant filling point for marine and industrial applications. Available in sizes from 1" to 4" BSP.
|
$ 221.36
Size:
| ||
|
1-2 weeks delivery time The Stainless Steel Round Head Through-Hull Fitting series is designed for marine water intake, discharge, and drainage systems. Manufactured from stainless steel and featuring a rounded external flange, these through-hull fittings provide a durable and corrosion-resistant hull connection. Available in sizes from 3/8" to 2" for a wide range of marine plumbing installations.
|
$ 18.49
Size:
| ||
|
1-2 weeks delivery time A4 threaded stainless steel thru-hulls are available in inlet sizes from 3/8" to 1-1/2", with corresponding diameters from 10 mm to 40 mm. Supplied in bulk, these fittings are designed for marine installations requiring durable stainless steel construction and precise inlet sizing.
|
$ 34.85
Size:
| ||
|
1-2 weeks delivery time The Stainless Steel Water Intake Guidi is a durable, corrosion-resistant component designed to provide reliable service for your ship's system. Crafted from high-quality stainless steel, this intake is built to endure harsh marine environments, ensuring the continuous operation of your vessel.
|
$ 38.20
Size:
| ||
|
1-2 weeks delivery time The Thru-Hull Connection Stainless Steel Guidi is a high-quality bulkhead adapter designed for marine applications. Made from durable stainless steel, this component offers exceptional corrosion resistance, ensuring a long-lasting and reliable connection for your yacht or boat’s plumbing system.
|
$ 16.88
Size:
| ||
|
1-2 weeks delivery time The Female Ball Valve Stainless Steel Guidi is a premium marine-grade valve designed for precise control of your ship's systems. Made from durable stainless steel, it offers exceptional longevity, corrosion resistance, and reliable performance, making it an essential part of your yacht or boat's equipment.
|
$ 19.52
Size:
| ||
|
1-2 weeks delivery time The Straight Gas Tank Vent Stainless Steel Guidi is a high-quality ventilation fitting made from durable stainless steel. Designed for marine applications, this vent ensures optimal air circulation for your yacht or boat's gas tank system, providing long-lasting performance and reliability.
|
$ 16.86
-
+
| ||
|
1-2 weeks delivery time The Jabsco 45490-1000 Radial Y-Valve is a high-quality plastic valve designed for controlling the flow of liquids in your yacht or boat's plumbing system. Featuring a durable radial design, it provides efficient flow control and is an essential part of your marine equipment.
|
$ 165.84
Item:
| ||
|
1-2 weeks delivery time The Plastic Ball Valve series is designed for flow control and shut-off applications in water, plumbing, and fluid handling systems. Manufactured from plastic and featuring female threaded connections on both ends, these valves provide corrosion-resistant operation and quarter-turn control. Available in sizes from 1/2" to 1 1/2".
|
$ 3.24
Size:
| ||
|
1-2 weeks delivery time The Plastic Male Hose Connector series is designed for connecting hoses to threaded fittings in water, plumbing, irrigation, and fluid handling systems. Manufactured from plastic and featuring a male threaded connection with a hose tail, these connectors are available in sizes ranging from 1/2" x 15 mm to 1 1/2" x 50 mm, providing a lightweight and corrosion-resistant connection solution.
|
$ 1.84
Size:
| ||
|
1-2 weeks delivery time The Plastic Through-Hull Fitting series is designed for marine plumbing, drainage, and water transfer systems. Manufactured from plastic and featuring an integrated flange with a threaded body, these fittings provide a lightweight and corrosion-resistant solution for hull and tank penetrations. Available in sizes from 1/2" x 70 mm to 1 1/2" x 110 mm.
|
$ 2.24
Size:
| ||
|
1-2 weeks delivery time The Plastic Through-Hull Fitting with Stainless Steel Finish is designed for marine water intake, discharge, and drainage systems. Featuring a plastic body with a stainless steel finished flange, these fittings combine corrosion resistance with an attractive appearance. Available in 1/2", 1", and 2" thread sizes with hose connection diameters from 13 mm to 51 mm.
|
$ 7.76
Size:
| ||
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.
Contuct us to shop best fittings for your boat.
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.