The 8 Best Thru Hull Drain Fittings (2022 reviews)

The Seaflo Thru Hull Drain Fitting is capable of outshining several other drains featured in this list in overall features. And, this can be trusted for good quality and it provides great value. Seaflo thru hull drain fitting is the epitome of what a great fitting should be. Above all, the seaflo thru hull drain fitting works great and it fits perfectly.

Almost all buyers opine that the drain is easy to install and has no leaks, very happy and half the price of the marine store. And, a few say that the end of the thru hull is barbed to accept hose with a worm gear clamp. As a result, buyers were very happy to recommend it to friends and would-be buyers.

Why We Like This:

D1 = 17mm, d - 23.5mm.
H - 73.5mm, d - 42mm.
New and hot releases.

Best For Small Drain: Five Oceans Thru Hull Drain Fitting

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Compared with other hulls in this category, the Five Oceans Thru Hull Drain Fitting has a convenient design. The five oceans thru hull drain fitting is white, it works well and it is constructed with excellent resistance to uv. Make sure this fits by entering your model number. This five oceans thru - hull fitting connection for hose is ideal for scupper, sink drain, and bilge pump overboard discharge.

The hull is made of tough injection molded polypropylene plastic that will resist sunlight, salt water, oil, gasoline and the most common marine chemicals. Finally, the five oceans thru hull drain fitting is designed for resistance to UV and it worked perfectly.

Almost all buyers quickly discovered that the drain was perfect for an anchor line to pass through. And, a few also found that the hull works fine for a small drain in a tight space. Moreover, they also found that the hull is easy to install, works as it should.

Customers also found that its helpful to buy a brass through hull fitting, along with this fitting.

Why We Like This:

This can be bought for good value and it has a mounting head diameter.
Thru-hull connections for use with hose are not recommended for use below the waterline.
Excellent resistance to UV and weather-aging.

Best For Easy Install: Attwood Thru Hull Drain Fitting

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The Attwood Thru Hull Drain Fitting should be able to handle its purpose and duties with ease. Make sure this fits by entering your model number. Also, the hull comes with great items and it is built for easy install. In short, with a 4.7 rating and more than 1032 buyers, the attwood thru hulldrain fitting stands as the best choice.

Almost all customers agree that the drain is a 3/4" hose size, installation hole size is 1-1/8",. I hope that answered your question. In addition, a few say that the drain is easy to install and an exact fit to the broken one. In addition, a few say that the hull is easy to install but the hole is too tight for the plugs and hard to remove them. In conclusion, for most buyers, the hull was just what they wanted.

Top Customer Quotes:

This water can easily drain from the boat.
Fits ¾ inch inside diameter hose.
Snap" that ensures a reliable thru-hull connection.

Best For Perfect Fit: Amarine Made Thru Hull Drain Fitting

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Next on the list, we've got yet another drain that manages to win our hearts. It's the amarine made through hull drainfitting and it's widely considered as the drain that has the most suitable features. The Amarine Made Thru Hull Drain Fitting is great for a real nice fit and it can be bought for good value. Make sure this fits by entering your model number. The stainless steel straight - through hull fitting hose is compact enough to fit near corners and narrow areas.

The fitting is made of heavy duty 316 grade stainless steel construction to ensure strength and durability. Above all, the amarine made through hull drain fitting is ideal for use as an exhaust port for a bilge pump.

Most buyers found that the fitting is well made and has a great polished finish. Further, they strongly agree that the drain is also not a barbed fitting for connection to a hose. In addition, a few also found that the hull is a perfect fit as a thruhull boat drain. In conclusion, for almost all customers, Amarine Made product was what they were looking for.

Top Customer Quotes:

This is completely threaded as in the picture, not barbed as the description says.
This has high practicability and reliability.
It works great, is crafted with a nice finish and it is built with great quality.
This is used to add a drain to a fermenter.

Best For Jon Boats: Harvard Marine Thru Hull Drain Fitting

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The Harvard marine thruhull drain fitting's material feels more premium than its price would suggest. And, this is used for overall length and it is made with great customer service. Boat marine 3/4" inch 90 degree thru hull fitting black. Above all, the Harvard marine thru hulldrain fitting is used for the perfect size and it can for customer service.

Almost all customers opine that the drain is perfect for jon boats. And, a few also found that the hull fits Tracker pro team 175. Therefore, most buyers call the hull functionally comfort, and no one questions it.

Few customers got black thru hull fitting, along with the hull.

Why We Like This:

1-1/2" flange overall length 2-1/2" overall length 1" shaft diameter 3/4" hose.
Good brand reputation.

Best For Stainless Steel: Mtsooning Thru Hull Drain Fitting

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The best part: Mtsooning Thru Hull Drain Fitting costs comparatively low and it is available to ship in 24 hours. The mtsooning thruhull drainfitting is an aftermarket replacement item but not genuine. When you receive a thru fitting hose, the size is not suitable or too small, or the product is damaged. This thru drain boat hose is highly reliable and is widely used in ships, yachts, boats.

The hull has lost wax process and it is easy to installation. Most importantly, the mtsooning thru hull drain fitting is made of aisi 316 stainless steel which is durable, not easy to break and has a long service life.

Almost all buyers quickly discovered that the drain takes a 1 inch hole to go through.

Why We Like This:

Good brand reputation.
Lot of satisfied buyers.

Best For Overall Length: Isure Marine Thru Hull Drain Fitting

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The Isure Marine Thru Hull Drain Fitting's superior materials makes sure that it ages well with use. Moreover, it is good for overall length and it has high quality. Make sure this fits by entering your model number. Lastly, the isure marine thru hull drain fitting has full length thread for thick hulls and easy tightening.

Most customers opine that the fitting works well with a 3m 5200 sealer. In conclusion, the tone of buyers is very positive and we believe that the hull suits the purpose.

Why We Like This:

✔Standard thread has full length thread for thick hulls and easy tightening;inner dia. 1''.
✔Material: high quality and purity 316 stainless steel, surface: mirror polished/high polish finish.
Good investment for the long term.

Best For Scupper: Eeyad Thru Hull Drain Fitting

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Eeyad offers a variety of fits for personal choice and yet maintains quality in all the variants. Make sure this fits by entering your model number. And, the hull is a good choice for scupper and it is made of great quality. When it comes to finding a reliable hull, the Eeyad Thru Hull Drain Fitting is definitely your first choice.

To sum up, buyers found this to be one of the best fitting for daily purposes.

Why We Like This:

Good choice for scupper, sink drain and bilge overboard discharge.
Outlet drain joint for 3/4" interior diameter hose.
Stainless steel thru-hulls with straight barb for hose.