Best Keenso Boat Plumbing Fittings of 2026

Luke Dobson Avatar
Luke Dobson
Last Updated: 9 Feb 2026

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Boat Plumbing Fittings by Keenso offer a reliable and efficient solution for maintaining the plumbing system on your boat. These high-quality fittings are designed to withstand the harsh marine environment, ensuring durability and longevity. With a range of fittings available, from hose connectors to valves, Keenso provides the essential components needed to keep your boat's plumbing system running smoothly. Whether you're upgrading your current fittings or starting a new project, Keenso's Boat Plumbing Fittings are a great choice for any boat owner.

At a Glance: Our Top Picks

1in Plastic Marine Thru Hull Fitting Cover #TOP 1
1in Plastic Marine Thru Hull Fitting
ftb score rating icon 9.8
Keenso 22mm Thru Hull Exhaust Skin Cover #TOP 2
Keenso 22mm Thru Hull Exhaust Skin
ftb score rating icon 9.7
1‑1/2in Plastic Marine Thru Hull Fitting Cover #TOP 3
1‑1/2in Plastic Marine Thru Hull Fitting
ftb score rating icon 9.5

Top 6 Keenso Boat Plumbing Fittings

#TOP 1

1in Plastic Marine Thru Hull Fitting

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1in Plastic Marine Thru Hull Fitting Cover
Thru Hull Fitting, 1in Plastic Marine Thru Hull Exhaust Fittings Boat Through Hull Connection Boat Drain Outlet Plug for Boats Marines(black) Boat/Yacht Spare Parts

The Keenso Thru Hull Fitting is made from high-quality ABS plastic, ensuring it is rugged and durable for long-lasting use. Its design allows for trouble-free hose connections, making it simple for you to operate and dependable when needed. This fitting serves as a vital link in your boat's plumbing system, enhancing the safety and reliability of your setup. Additionally, it is a direct replacement for old or broken fittings, ensuring a perfect fit without any hassle.

What We Like
Durable ABS plastic material
Easy to install and remove
Reliable hose connections
Direct replacement for old fittings
#TOP 2

Keenso 22mm Thru Hull Exhaust Skin

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Keenso 22mm Thru Hull Exhaust Skin Cover
Keenso Thru Hull Exhaust Skin, 22mm Straight Thru Hull Exhaust Skin 316 Stainless Steel Polishing for Parking Heaters heater parts

The Keenso Thru Hull Skin is designed for easy installation, as it comes complete with screws, nuts, and gaskets, ensuring you can set it up without any hassle. This product fits a 22mm inner diameter hose pipe and is compatible with popular parking heater brands like Webasto and Eberspacher. Its primary function is to enhance heat insulation and protect your hull and vehicles from damage. Made from marine-grade 316 stainless steel, it offers high strength and resistance to rust and chemicals, making it perfect for marine environments.

What We Like
Easy to install
Compatible with multiple heaters
Enhances heat insulation
Durable stainless steel construction
#TOP 3

1‑1/2in Plastic Marine Thru Hull Fitting

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white
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1‑1/2in Plastic Marine Thru Hull Fitting Cover
Thru Hull Fitting, 1‑1/2in Plastic Marine Thru Hull Exhaust Fittings Boat Through Hull Connection Boat Drain Outlet Plug for Boats Marines(white) Boat/Yacht Spare Parts

The Keenso Thru Hull Fitting is designed as a direct replacement for old or broken fittings, ensuring your boat's plumbing system operates safely and reliably. Made from premium ABS plastic, it is impact resistant and durable, offering long-lasting performance. The fitting enables trouble-free hose connections, making it simple for you to manage your plumbing needs. Installation is hassle-free, requiring no complicated tools, which saves you time and effort when fitting or removing it.

What We Like
Direct replacement for old fittings
Durable ABS plastic construction
Easy hose connections
Simple installation process
#TOP 4

Keenso 3/4in ABS Drain Connector

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White
Keenso 3/4in ABS Drain Connector Cover
Keenso Boat Drain Fitting, Through Hull Connector, ABS Plastic Hose Coupling, 3/4in Drain Outlet, White, for Boats and Yachts

The Keenso Drain Connector is designed to replace old or broken fittings with ease. Its simple installation process means you won't need complicated tools, allowing for a quick and hassle-free setup. Made from high-quality ABS material, it offers durability and resistance to wear and impact, ensuring long-lasting use. This connector is essential for maintaining safe and reliable onboard plumbing systems, providing you with trouble-free hose connections and dependable performance.

What We Like
Easy to install
Durable ABS material
Reliable hose connections
Impact resistant
#TOP 5

316 Stainless Steel Barbed Thru Hull Fitting

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316 Stainless Steel Barbed Thru Hull Fitting Cover
Keenso Boat Plumbing Fittings, 2 Sizes 316 Stainless Steel Barbed Thru Hull Threaded Fitting for Boats, Yachts, Marine(1") Boat/Yacht Spare Parts boat plastic drain tube

The Keenso Thru Hull Fitting boasts exquisite workmanship with a mirror-polished finish, ensuring strong corrosion resistance in saltwater environments. Made from high-quality 316 stainless steel, it is both sturdy and durable, providing long-lasting use that is not easily damaged. The design includes wrench flats on the notched surface, making it simple for you to tighten and secure it easily. Its practical barbed tail ends allow for ample space to hold multiple clamps, making it suitable for various marine applications.

What We Like
Strong corrosion resistance
Durable 316 stainless steel
Easy to tighten
Versatile marine applications
#TOP 6

316 Stainless Steel Boat Threaded Fitting

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316 Stainless Steel Boat Threaded Fitting Cover
Boat Drain Tube Fitting, 316 Stainless Steel, Marine Hose Adapter, Threaded Connection, Barbed Design for Yachts, Boats, Marine Use

The Keenso Boat Fitting is crafted from premium 316 grade stainless steel, ensuring strength and durability for long-lasting use. Its exquisite workmanship features a mirror-polished finish, offering excellent corrosion resistance, particularly in saltwater environments. This fitting is versatile and can be used across various marine applications, making it highly practical for boat and yacht owners. Additionally, the design includes wrench flats for easy installation, allowing you to tighten it effortlessly and secure multiple clamps for an effective seal.

What We Like
High durability and strength
Corrosion-resistant in saltwater
Versatile for marine applications
Easy to install
Buying Guide Image
Editor's Notes

During our Keenso boat plumbing fitting research, we found 9 Keenso boat plumbing fitting products and shortlisted 6 quality products. We collected and analyzed 2,096 customer reviews through our big data system to write the Keenso boat plumbing fittings list. We found that most customers choose Keenso boat plumbing fittings with an average price of £16.76.

The Keenso boat plumbing fittings are available for purchase. The top 6 picks range in price from a low of £10.00 to a high of £24.00, find the one that fits your budget.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.