The 7 Best Marine sink Drain fittings (2023 reviews)

marine sink drain fittings
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We consider a marine sink drain fitting to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process:

Our Top Picks:

T. H. Marine Drain tube
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Eeyad Marine sink Drain Fitting
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T. H. Marine sink Drain Fitting
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Keehui Marine sink Drain Fitting
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ISURE Marine sink Drain Fitting
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Forespar Marine sink Drain Fitting
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Five Oceans Marine sink Drain Fitting
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T. H. Marine Drain tube

T. H. Marine Drain tube
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The t. h. marine drain tube should be able to handle its purpose and duties with ease. It's a functional and economical overflow drain tube. It fits the sun tracker and 22dlx front bait well. It comes with a screen loose, so they can be cut to best length. The top end is not glued on and the stem can be cut to desired height. It fits nice and secure and tight in the live well.

The tube is designed to fit into a drain that is 1 1/8" in diameter. It can be cut to custom length for boat manufacturers. It is an item that can be easily cut down to size with a plumbing pipe cutter.

Why We Like This:
  • Useful accessory for livewell or baitwell
  • Very well built and will last a long time
  • One of the new comers and featured product

Eeyad Marine sink Drain Fitting

Eeyad Marine sink Drain Fitting
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If you often find yourself confused about convenient and suitable fitting, eeyad marine sink drain fitting is your end point. The hose barb section barely has any profile or barb to it. It is good for a sink drain or bilge pump way above the waterline. The straps appear to be well made and strong enough to keep batteries where they belong.

The mushroom head side of this is very small so you'll want to make sure your hole isn't oversize. It comes with a rubber washer for the outside of the boat. The straps are plenty long enough so you could add additional batteries in the future.

Why We Like This:
  • Great quality, buckles and are stainless
  • Great quality, heavy duty with a beautiful finish
  • Very nice fitting good wall thickness
  • A very nice quality piece, almost an art piece

T. H. Marine sink Drain Fitting

T. H. Marine sink Drain Fitting
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The t. h. marine marine sink drain fitting is capable of outshining several other fitting featured in this list in overall features for the price point. It can be used in a conventional application. It includes the 90’ bend version. It’s a 90 Degree fitting. It allows almost complete draining of the flood tray. It can pull up a gel coat if you ever go to remove.

Why We Like This:
  • Gives a little so you can customize your installation
  • Perfect but need to seal if using through wood
  • Strong, durable, plug that you can purchase separately works well

Keehui Marine sink Drain Fitting

Keehui Marine sink Drain Fitting
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These are the original equipment fittings used on many offshore salt water fishing boats. This solid cast 316 stainless steel thru hull fitting has a highly polished flange that makes your boat look great. It is made of 316 stainless steel combo stainless steel 3/8 hose thru-hull fitting w/nut with gasket for boats, yachts, and marine. This boat threaded fitting is made of heavy. It is more convenient to install.

Why We Like This:
  • Duty 316 stainless steel material, which is sturdy and durable
  • Customized gasket is more convenient to install
  • Good investment for long term

ISURE Marine sink Drain Fitting

ISURE Marine sink Drain Fitting
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Next on the list, we've got yet another fitting that manages to win our hearts. It's the isure marine marine sink drain fitting and it's widely considered as fitting that has the most suitable features. This thru drain boat hose is highly reliable and is widely used in ships, yachts, and boats. It fits salt water & uv resistant and is a good choice for scupper, sink and bilge overboard drains. It is made of 316 stainless steel which is durable, not easy to break and has long service life. 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.

It has full length thread for thick hulls and easy tightening. Extra long threads allows it to pass through even the thickest transom, and the hose barbs fit 1" I.D marine hose. It works well with 3m 5200 sealer.

Why We Like This:
  • Sturdy, well made, used for generator exhaust
  • Precision manufacturing technology, replace the old or damaged fitting directly
  • High quality and purity 316 stainless steel, surface

Forespar Marine sink Drain Fitting

Forespar Marine sink Drain Fitting
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Compared with other fitting in this category, the forespar marine sink drain fitting has a convenient design. This drain is designed for a 3/4" hose and a 2" drain. It is made of bright chrome plated, non-corrosive plastic.

Why We Like This:
  • Good brand reputation
  • Good investment for long term

Five Oceans Marine sink Drain Fitting

Five Oceans Marine sink Drain Fitting
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The five oceans marine sink drain fitting's high-end materials makes sure that it ages well with use. The hull fitting connection for the hose is ideal for scupper, sink drain, and bilge pump overboard discharge.

Why We Like This:
  • Excellent resistance to uv and weather-aging
  • Delivers what they promise