Best Seaflo Boat Plumbing Fittings of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 7 Feb 2025

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Seaflo offers a wide range of boat plumbing fittings that are designed to enhance the functionality and efficiency of your boat's plumbing system. These fittings are made from high-quality materials to ensure durability and long-lasting performance. Whether you need fittings for your freshwater system, waste system, or bilge pump, Seaflo has a solution to meet your needs. With their reliable and leak-proof design, these fittings are a must-have for any boat owner looking to maintain a smooth and hassle-free plumbing system on board.

At a Glance: Our Top Picks

SEAFLO Raw Water Sea Water Filter for Hoses Cover #TOP 1
SEAFLO Raw Water Sea Water Filter for Hoses
ftb score rating icon 9.9
SEAFLO Water Inlet with Check Valve Cover #TOP 2
SEAFLO Water Inlet with Check Valve
ftb score rating icon 9.8
SEAFLO 90° AERATOR SPRAY HEAD for Water Systems Cover #TOP 3
SEAFLO 90° AERATOR SPRAY HEAD for Water Systems
ftb score rating icon 9.6

Top 10 Seaflo Boat Plumbing Fittings

#TOP 1

SEAFLO Raw Water Sea Water Filter for Hoses

1/2", 5/8", 3/4"
1/2", 5/8", 3/4"
SEAFLO Raw Water Sea Water Filter for Hoses Cover
SEAFLO Raw Water Sea Water Filter/Intake Strainer for 1/2" or 5/8" or 3/4" Hose Sizes

The SEAFLO Sea Water Filter is designed for hoses of 1/2", 5/8", or 3/4" sizes, effectively filtering out debris such as leaves and aquatic plants. This prevents unwanted materials from entering your water intake system, protecting vital equipment like pumps and turbines from damage and clogging. By maintaining the integrity of your intake system, this filter enhances the overall reliability and performance of your water intake processes. Additionally, it simplifies maintenance, as you will find it easier and less costly to clean or replace the strainer than to address clogged equipment.

What We Like
Filters out debris effectively
Protects vital equipment
Enhances system reliability
Reduces maintenance costs
#TOP 2

SEAFLO Water Inlet with Check Valve

SFWI1-01
SEAFLO Water Inlet with Check Valve Cover
SEAFLO Water Inlet 01

The SEAFLO Water Inlet is designed with UV stabilised plastic, ensuring durability against harsh sun exposure. It provides continuous protection from high-pressure surges, giving you peace of mind while using your boat. The product fits standard hose fittings, making it easy to use with your existing equipment. Additionally, it features a built-in check valve, which helps prevent backflow and keeps your water system efficient. This combination of features makes it a reliable choice for boat plumbing needs.

What We Like
Durable UV stabilised plastic
High pressure surge protection
Fits standard hose fittings
Built-in check valve
#TOP 3

SEAFLO 90° AERATOR SPRAY HEAD for Water Systems

SFASH1-01
White
SEAFLO 90° AERATOR SPRAY HEAD for Water Systems Cover
SEAFLO 90° 3/4" AERATOR SPRAY HEAD FOR LIVEWELLS/RECIRCULATING SYSTEMS/WATER SYSTEMS

The SEAFLO AERATOR SPRAY HEAD is designed for use with 3/4" hoses, making it a versatile option for your boat's plumbing needs. With its adjustable spray head, you can easily customise the direction and intensity of the spray, ensuring efficient aeration for livewells and recirculating systems. This product is ideal for side mounting, providing flexibility in installation. Additionally, it can be installed into walls with a thickness of up to 5/8", allowing you to adapt it to various setups on your boat.

What We Like
Adjustable spray for customised use
Compatible with 3/4" hoses
Ideal for side mounting
Fits up to 5/8" wall thickness
#TOP 4

Seaflo Heavy Duty Joker Valve for Jabsco Toilets

10 Pack
Seaflo Heavy Duty Joker Valve for Jabsco Toilets Cover
Seaflo Large Joker Valve Compatible with Jabsco Toilets (10-Pack)

The Seaflo Joker Valve is a heavy-duty component designed to be compatible with Jabsco toilets, specifically models 29092-1000, 29090/120/59131. This valve fits both Jabsco marine toilets and Seaflo manual and twist flush electric toilets, ensuring versatility for your boat plumbing needs. Measuring 3" x 3" x 3" and weighing just 1.6 ounces, it is lightweight yet durable. Available in various pack sizes, this product provides convenience and flexibility for users looking to maintain their toilet systems efficiently.

What We Like
Heavy-duty construction
Compatible with various models
Lightweight and convenient size
Available in multiple pack sizes
#TOP 5

SEAFLO 1/2" Barb Straight Pump Fitting

51F01
SEAFLO 1/2" Barb Straight Pump Fitting Cover
SEAFLO (NO: 51F01) 1/2"-14 FNPT x 1/2" Barb Straight Pump Fitting for SHURFLO, SEAFLO, Circle River, Johnson, Jabsco, FLOJET, REMCO, Lippert, USA ADVENTURE and other Pumps (04-Pack)

The SEAFLO Pump Fitting is designed to provide a reliable and leak-free connection between components, making it essential for your plumbing needs. Constructed from high-quality POM and PP, it ensures durability and resistance to corrosion, allowing you to use it in various environmental conditions without worry. With a 1/2'' -14 FNPT x 1/2'' Barb specification, this fitting guarantees a secure fit. It is compatible with numerous brands, ensuring you have flexibility in your options.

What We Like
Durable materials used
Leak-free connections
Corrosion resistant
Compatible with various brands
#TOP 6

Seaflo Vented Loop for Boat Plumbing

Black
1.5 Inch
Seaflo Vented Loop for Boat Plumbing Cover
Seaflo Vented Loop Choose Size and Pack Quantity (1-1/2", 2-Pack)

The Seaflo Vented Loop is designed to prevent water from siphoning over your plumbing loop, ensuring effective water management on your boat. Made from tough, corrosion-proof plastic, it offers durability and longevity, even in harsh marine environments. You can choose from three hose sizes—3/4", 1", and 1-1/2"—which allows you to find the perfect fit for your specific needs. This versatility ensures you can maintain optimal performance in your boat's plumbing system.

What We Like
Prevents water siphoning
Durable, corrosion-proof material
Available in multiple sizes
Easy installation
#TOP 7

SEAFLO 2” Black Thru Hulls Fitting Pack

Black
2”
SEAFLO 2” Black Thru Hulls Fitting Pack Cover
SEAFLO 2”, Black (5-Pack) Thru Hulls Fitting Thru-Hull with Check Valve, Polypropylene + Glass-Filled Nylon, 4-Year Warranty

The SEAFLO Thru Hulls Fitting offers exceptional durability and safety for your vessel. Made from a robust blend of polypropylene and glass-filled nylon, these fittings withstand the harsh marine environment, ensuring they resist impact and corrosion. The built-in check valve prevents backflow, protecting your boat's internal systems from unwanted water intrusion. Moreover, their user-friendly design allows for easy installation, even in tight spaces, meaning you can set them up quickly and get back to enjoying your time on the water.

What We Like
High impact resistance
Prevents backflow effectively
Corrosion and UV resistant
Easy installation
#TOP 8

SEAFLO 3/4" Thru Hull Plumbing Fitting

SFDS1-0750-01
White
3/4"
SEAFLO 3/4" Thru Hull Plumbing Fitting Cover
SEAFLO Thru Hull Fittings (3/4")

The SEAFLO Thru Hull Fitting is designed for use with 3/4" hoses, making it ideal for boat plumbing needs. Its white colour provides a sleek and clean appearance, which complements your boat's interior. With dimensions of 80mm in height and 50.5mm in diameter, this fitting fits seamlessly into various plumbing setups. Its precise sizing ensures a snug fit, helping to prevent leaks and ensuring reliable performance for your marine applications.

What We Like
Reliable for boat plumbing
Attractive white colour
Compact dimensions
Snug fit prevents leaks
#TOP 9

SEAFLO Thru Hull Fittings for 5/8" Hose

SFDS1-0625-01
White
5/8 Inches
SEAFLO Thru Hull Fittings for 5/8" Hose Cover
SEAFLO Thru Hull Fittings (5/8")

The SEAFLO Thru Hull Fittings are designed for 5/8" hoses, making them an essential component for your boat's plumbing system. With dimensions of 73.5mm in height and a diameter of 42mm, these fittings ensure a secure and reliable connection. The crisp white colour adds a clean look to your setup. Their multiple dimensions also allow for compatibility with various setups, making installation straightforward and efficient. By choosing these fittings, you can enhance the functionality of your plumbing and enjoy peace of mind while out on the water.

What We Like
Durable and reliable design
Easy installation
Clean white appearance
Compatible with various setups
#TOP 10

SEAFLO 1-1/2" Thru Hull Fittings

SFDS1-1500-01
White
1-1/2"
SEAFLO 1-1/2" Thru Hull Fittings Cover
SEAFLO Thru Hull Fittings (1-1/2")

The SEAFLO Thru Hull Fittings are designed specifically for use with 1-1/2" hoses, making them an essential component for your boat's plumbing system. The fittings are crafted in a crisp white colour, ensuring a clean and professional look. With dimensions of H - 102mm and D - 75mm, they fit seamlessly into various setups. The product's well-thought-out design means you can enjoy easy installation and reliable performance, enhancing your boating experience.

What We Like
Durable white finish
Designed for 1-1/2" hoses
Compact dimensions
Easy installation
Buying Guide Image
Editor's Notes

During our Seaflo boat plumbing fitting research, we found 17 Seaflo boat plumbing fitting products and shortlisted 10 quality products. We collected and analyzed 5,311 customer reviews through our big data system to write the Seaflo boat plumbing fittings list. We found that most customers choose Seaflo boat plumbing fittings with an average price of £18.68.

The Seaflo boat plumbing fittings are available for purchase. The top 10 picks range in price from a low of £6.00 to a high of £58.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 61 consumers with an average rating of 4.8.

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.