Flush Mount Thru Hull Fittings of 2025
Best Choice1
keehuikeehui 316 Stainless Steel Standard Length Straight 1" ID Thru-Hull Fitting w/Nut with Gasket for Boats, Yachts, Marine
Main highlights- Thread O.D：Approx 1-1/3IN（33.3mm）
- Material: This boat threaded fitting is made of heavy-duty 316 stainless steel material, which is sturdy and durable.
- Horse ID Size:1" The detail size refer to the left pictures
- Flange O.D:2-1/8"(53mm);Thread Length:Approx: 2-3/16"（55.5 MM） Barb Length: 1-5/8"(42.2MM)
- Customized gasket is Easy to install
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Value for Money2
LJBLJB Boat Scupper Flapper Self Bailing Valve Flush Mount Scupper Adapter 2 Pack
Main highlights- Self Bailing Valve Kit Includes 2-7/8 inch valve and 1 1/2" inch flapper
- Scupper Flapper Features rubber baffle system that allows water to drain when open while preventing backflow when closed
- Flush Mount Scupper Adapter Efficiently drains from self bailing cockpit
- Boat Scupper Parts Boat Scupper Parts ensure efficient drainage from self bailing cockpits for an enhanced boating experience
- Boat Scupper Flapper For Suitable for installation on transom above waterline or as thru-hull cockpit drain, compatible with hull fittings up to 2 inches
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AttwoodAttwood 3875-3 1.5" Polypropylene Straight Thru-Hull Connector for Boating Plumbing Fittings, White Finish
Main highlights- Stem length: 3 1/2 inch
- Max. Hull thickness: 1 1/4 inch
- Installation hole size: 1 7/8" to 2"
- Hose size: 1 1/2 inch I.D
- Flange diameter: 3 inch
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SEACHOICESeachoice Thru-Hull Strainer Mount with Aerator Screen, Fits 3/4 in. Hose, One Size, Black
Main highlights- Works with remote mounted pumps
- The specialized fitting allows the aerator screen to mount flush without an additional nut
- Manufacturer part number 50-18191
- Fits 3/4 Inch Hose
- Can be installed in up to 1-1/2 inch wall or panel
- Allows passage through a transom or livewell wall
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SEACHOICESeachoice 90-Degree Angled Thru-Hull Connector, White Finish, 0.75 in.
Main highlights- Max Hull Thickness: 3/4 inch
- Manufacturer part number 50-18131
- Made of hi-impact white plastic
- Flange: 1-1/2 inch
- Fits ¾ inch inside diameter hose
- Ensures a reliable thru-hull connection
6
EEYAD316 Stainless Steel Boat Thru-Hull Fitting Drain for 3/4" I.D. hose
Main highlights- Stainless steel thru-hull with straight barb for hose
- Excellent seawater corrosion-resistant, and heavy-duty
- Easy to install
- A good choice for scuppers, sink drains and bilge overboard drains
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SEACHOICESeachoice Extra Long Thru-Hull Fitting w/Broad Flange for 1-1/8 in. ID Hose, 3 in. Long Thread, White
Main highlights- Not recommended for use below the waterline
- Manufacturer part number 50-18181
- For applications where up to 2-1/2 inches of thread are required
- Fits hulls up to 3-3/8 inches thick
- Fits 1-1/8 inch inner diameter (ID) hose
- Designed for installation in thick transoms or side walls
- Constructed of molded high-impact plastic that won't rust
8
T-H MarineT-H Marine 90 Degree Thru-Hull Fitting | 1-1/8 Inch Plastic Marine Fitting for Reliable Hose Connection - UV Stabilized White Fitting, Ideal for Boat Plumbing Upgrades
Main highlights- VERSATILE CHOICES FOR ANY MARINE APPLICATION - Whether upgrading bilge pumps or replacing old fittings, our diverse range of 90-degree thru-hull fittings, including standard and dual nut options, meets your customization and installation needs seamlessly.
- UV STABILITY FOR LONG-TERM DURABILITY - Engineered from high-performance UV stabilized materials, our thru-hull fittings resist degradation from sun exposure, giving you peace of mind for years of dependable use in marine conditions.
- SUPPORT FOR MAINTENANCE AND REPAIRS - Our fittings not only serve as replacements but also enhance overall marine plumbing solutions, contributing to consistent performance during routine maintenance or unexpected repairs.
- SLEEK DESIGN ADDING AESTHETIC VALUE - The unique finish and thoughtful design of our thru-hull fittings enhance the overall look of your marine plumbing system, providing not only functionality but also a polished appearance to your boat.
- RECOMMENDED BY OEM BOAT BUILDERS NATIONWIDE - Trusted by top boat manufacturers across the U.S.A., T-H Marine fittings are a go-to choice for reliability, making them the ideal solution for both professional boat builders and DIY enthusiasts alike.
- HIGH-QUALITY MATERIALS FOR LASTING PERFORMANCE - T-H Marine thru-hull fittings are crafted from virgin, UV stabilized materials that excel in harsh marine environments, ensuring reliable and long-lasting performance for your plumbing needs.
- EASY INSTALLATION EVEN IN TIGHT SPACES - With innovative designs like the spaner head thru-hulls (TH-1290S and TH-1292S), you can effortlessly install and secure fittings from above, making hard-to-reach areas accessible for maintenance and upgrades.
- COMPATIBLE WITH MAJOR HOSE MANUFACTURERS - Each hose barb fitting is meticulously engineered for precision compatibility, providing a secure and tight fit with various hoses, ensuring an efficient and trouble-free installation you can trust.
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BoltigenThru Hull Fittings for Boats, Stainless Steel Yacht Through Hull Connecter with Straight Barb, Marine Barbed Hose Skin Fitting Drain for 3/4 inch I.D. Hose
Main highlights- 【Versatility】 Stainless steel boat thru hull fittings with straight barbs offer versatility in terms of application. They can be used in various marine systems, including water intakes, bilge pumps, livewell installations, and more. Their straight barb design allows for secure hose connections and prevents leaks.
- 【Size】This boat thru hull barb fitting is suitable for 3/4" internal diameter hose. It is crucial to select the appropriate size to ensure a proper and secure connection that prevents leaks and maintains the integrity of the hull
- 【Safety】Stainless steel boat skin fittings with straight barbs provide a safe and reliable solution for connecting hoses and pipes in marine applications. Their strong construction and secure connections minimize the risk of leaks, which can lead to water ingress or other hazardous situations on board. Additionally, stainless steel is non-toxic and does not leach harmful substances into the water, ensuring the safety of marine life.
- 【Quality Warranty】If you are not happy with the This boat threaded fitting or something goes wrong with them, please contact us freely, we will give you a solution quickly.
- 【Material】 316 Stainless steel thru-hull fittings are known for their exceptional durability. They are resistant to corrosion, rust, and degradation, making them ideal for marine environments where they are constantly exposed to water, salt, and other harsh conditions.
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SHENGHUISSSHENGHUISS 316 Stainless Steel Thru-Hull Fittings with Nut&Custom Gasket for Boats, Yachts or Rvs (1/2 inch)
Main highlights- Underside of flange has a groove cut in it to trap a bead of silicone between it and the mounting surface. Flange head is very evenly polished. Nut mates with threads exactly; hardness of metal is excellent. Two slightly protruding pins within the interior of the drain allow for a wide blade flat screwdriver to be inserted and prevents the flange portio from turning when nut is installed.
- The Barbed long Straight Thru-Hull fits 3/8" inner diameter marine hoses. Includes 316 stainless steel mounting nuts and rubber gasket,installs easy.
- Overall Length:3.6inch(92mm), Thread length:2.5inch(64mm), Barb length: 1inch(25mm),
- Outside flange diameter: 1.5inch(38mm), Barb diameter: 25.4 mm / 1'', Thread Size: 0.8 inch(22mm) , Weight: 4.8 oz(136 g)
- Material: Marine grade Stainless Steel 316, Surface: Mirror polished/High polish finish.Ultimate Corrosion Resistant.
