Boat Plumbing Fittings

Boat Plumbing Fittings

Featured Brands

  • Groco® - HTH Series 1" Hole Thru-Hull Fitting for 1-1/8" D Hose
    Groco®HTH Series 1" Hole Thru-Hull Fitting for 1-1/8" D Hose
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    # 5294031354
    HTH Series 1" Hole Thru-Hull Fitting for 1-1/8" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    High quality at an affordable priceExpertly made from premium materials
    $35.16 - $37.62
  • Groco® - HTH Series 1-1/2" Hole Thru-Hull Fitting for 1-1/2" D Hose
    Groco®HTH Series 1-1/2" Hole Thru-Hull Fitting for 1-1/2" D Hose
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    # 5294031561
    HTH Series 1-1/2" Hole Thru-Hull Fitting for 1-1/2" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
    High quality at an affordable priceExpertly made from premium materials
    $52.36 - $72.54
  • Groco® - HTH Series 1-1/4" Hole Thru-Hull Fitting for 1-1/4" D Hose
    Groco®HTH Series 1-1/4" Hole Thru-Hull Fitting for 1-1/4" D Hose
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    # 5294032131
    HTH Series 1-1/4" Hole Thru-Hull Fitting for 1-1/4" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
    High quality at an affordable priceExpertly made from premium materials
    $41.89 - $59.59
  • Groco® - HTH Series 1/2" Hole Thru-Hull Fitting for 1/2" D Hose
    Groco®HTH Series 1/2" Hole Thru-Hull Fitting for 1/2" D Hose
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    # 5294031664
    HTH Series 1/2" Hole Thru-Hull Fitting for 1/2" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    High quality at an affordable priceExpertly made from premium materials
    $15.86 - $35.46
  • Groco® - HTH Series 2" Hole Thru-Hull Fitting for 2" D Hose
    Groco®HTH Series 2" Hole Thru-Hull Fitting for 2" D Hose
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    # 5294032466
    HTH Series 2" Hole Thru-Hull Fitting for 2" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    High quality at an affordable priceExpertly made from premium materials
    $68.07 - $89.82
  • Groco® - HTH Series 3/4" Hole Thru-Hull Fitting for 3/4" D Hose
    Groco®HTH Series 3/4" Hole Thru-Hull Fitting for 3/4" D Hose
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    # 5294031454
    HTH Series 3/4" Hole Thru-Hull Fitting for 3/4" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    High quality at an affordable priceExpertly made from premium materials
    $23.81 - $32.05
  • Groco® - HTH Series 3/4" Hole Thru-Hull Fitting for 5/8" D Hose
    Groco®HTH Series 3/4" Hole Thru-Hull Fitting for 5/8" D Hose
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    # 5294031926
    HTH Series 3/4" Hole Thru-Hull Fitting for 5/8" D Hose by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    High quality at an affordable priceExpertly made from premium materials
    $20.62 - $32.05
  • Whitecap® - 1-1/4" Hole Thru-Hull Fitting for 3/4" D Hose
    Whitecap®1-1/4" Hole Thru-Hull Fitting for 3/4" D Hose
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    # 5294033091
    1-1/4" Hole Thru-Hull Fitting for 3/4" D Hose by Whitecap®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $3.90 - $14.84
  • Attwood® - 1" Hole 90° Elbow Thru-Hull Fitting for 3/4" D Hose
    Attwood®1" Hole 90° Elbow Thru-Hull Fitting for 3/4" D Hose
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    # 5294033075
    1" Hole 90° Elbow Thru-Hull Fitting for 3/4" D Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    90° thru-hulls are ideal for tight installations, such as livewell overflow drainsDesign eliminates hose kinking
    $8.58 - $19.94
  • Attwood® - 1-1/2" Hole Thru-Hull Fitting for 1" D Hose
    Attwood®1-1/2" Hole Thru-Hull Fitting for 1" D Hose
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    # 5294031882
    1-1/2" Hole Thru-Hull Fitting for 1" D Hose by Attwood®. Cam-action neoprene plugs snap shut to form a stopper for livewells or baitwells. Clockwise turn of the handle tightens the plug, and the lever flips down to lock. Ideal for...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $33.85 - $34.03
  • Attwood® - 1-1/2" Hole Thru-Hull Fitting for 1-1/8" D Hose
    Attwood®1-1/2" Hole Thru-Hull Fitting for 1-1/8" D Hose
    0
    # 5294032083
    1-1/2" Hole Thru-Hull Fitting for 1-1/8" D Hose by Attwood®. Cam-action neoprene plugs snap shut to form a stopper for livewells or baitwells. Clockwise turn of the handle tightens the plug, and the lever flips down to lock. Ideal for...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $39.98 - $40.12
  • Attwood® - 1-1/8" Hole Thru-Hull Fitting for 3/4" D Hose
    Attwood®1-1/8" Hole Thru-Hull Fitting for 3/4" D Hose
    0
    # 5294032560
    1-1/8" Hole Thru-Hull Fitting for 3/4" D Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $4.09 - $28.69
  • Attwood® - 1-1/8" Hole Thru-Hull Fitting for 5/8" D Hose
    Attwood®1-1/8" Hole Thru-Hull Fitting for 5/8" D Hose
    0
    # 5294031632
    1-1/8" Hole Thru-Hull Fitting for 5/8" D Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $4.13 - $27.01
  • Attwood® - 1-3/4" Hole Thru-Hull Fitting for 1-1/4" D Hose
    Attwood®1-3/4" Hole Thru-Hull Fitting for 1-1/4" D Hose
    0
    # 5294031626
    1-3/4" Hole Thru-Hull Fitting for 1-1/4" D Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $60.54 - $61.77
  • Attwood® - 1-3/8" Hole Thru-Hull Fitting for 1-1/8" to 1-1/4" Hose
    Attwood®1-3/8" Hole Thru-Hull Fitting for 1-1/8" to 1-1/4" Hose
    0
    # 5294031571
    1-3/8" Hole Thru-Hull Fitting for 1-1/8" to 1-1/4" Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $6.59 - $6.83
  • Attwood® - 1-5/16" Hole 90° Elbow Thru-Hull Fitting for 1-1/8"-1-1/4" Hose
    Attwood®1-5/16" Hole 90° Elbow Thru-Hull Fitting for 1-1/8"-1-1/4" Hose
    0
    # 5294031477
    1-5/16" Hole 90° Elbow Thru-Hull Fitting for 1-1/8"-1-1/4" Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
    90° thru-hulls are ideal for tight installations, such as livewell overflow drainsDesign eliminates hose kinking
    $10.07 - $14.79
  • Attwood® - 2" Hole Thru-Hull Fitting for 1-1/2" D Hose
    Attwood®2" Hole Thru-Hull Fitting for 1-1/2" D Hose
    0
    # 5294031683
    2" Hole Thru-Hull Fitting for 1-1/2" D Hose by Attwood®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $9.47 - $64.42
  • Sea Dog® - 1" Hole Thru-Hull Fitting for 3/4" D Hose
    Sea Dog®1" Hole Thru-Hull Fitting for 3/4" D Hose
    0
    # 5294032450
    1" Hole Thru-Hull Fitting for 3/4" D Hose by Sea Dog®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $3.32 - $5.63
  • Sea Dog® - 1" Hole Thru-Hull Fitting for 5/8" D Hose
    Sea Dog®1" Hole Thru-Hull Fitting for 5/8" D Hose
    0
    # 5294032817
    1" Hole Thru-Hull Fitting for 5/8" D Hose by Sea Dog®. #1 Plastic Thru-Hull Supplier in the U.S.A. Their molded Thru-Hull fittings are used by more OEM boat builders than any other brand. All T-H Marine Thru-Hull Fittings are made of...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $2.61 - $5.63
  • Sea Dog® - 1-13/16" Hole Thru-Hull Fitting for 1-1/2" D Hose
    Sea Dog®1-13/16" Hole Thru-Hull Fitting for 1-1/2" D Hose
    0
    # 5294032088
    1-13/16" Hole Thru-Hull Fitting for 1-1/2" D Hose by Sea Dog®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $8.38 - $10.64
  • Sea Dog® - 1-3/8" Hole Thru-Hull Fitting for 1-1/8" - 1-1/4" Hose
    Sea Dog®1-3/8" Hole Thru-Hull Fitting for 1-1/8" - 1-1/4" Hose
    0
    # 5294033081
    1-3/8" Hole Thru-Hull Fitting for 1-1/8" - 1-1/4" Hose by Sea Dog®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Expertly crafted from premium materialsHigh quality at a budget-friendly price
    $6.16 - $8.46
  • Groco® - 1" Hose I.D. to 1" NPT(M) Hose/Pipe Adapter
    Groco®1" Hose I.D. to 1" NPT(M) Hose/Pipe Adapter
    0
    # 5294032569
    1" Hose I.D. to 1" NPT(M) Hose/Pipe Adapter by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    High quality at an affordable priceExpertly made from premium materials
    $11.11 - $17.45
  • Groco® - 1" NPS(F) to 1" NPT(M) Pipe/Pipe Adapter
    Groco®1" NPS(F) to 1" NPT(M) Pipe/Pipe Adapter
    0
    # 5294031772
    1" NPS(F) to 1" NPT(M) Pipe/Pipe Adapter by Groco®. Patented IBVF Flanged Adaptors have been developed to address several common problems in the marine industry. This product is made of high-quality materials to serve you for years to...
    Eliminate dangerous thread miss-match when in-line valves are screwed onto thru hullsAccept standard thru-hulls into the base and standard in-line valves on top
    $57.32 - $64.15
  • Groco® - 1-1/2" Hose I.D. to 1-1/2" NPT(M) Hose/Pipe Adapter
    Groco®1-1/2" Hose I.D. to 1-1/2" NPT(M) Hose/Pipe Adapter
    0
    # 5294032194
    1-1/2" Hose I.D. to 1-1/2" NPT(M) Hose/Pipe Adapter by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    High quality at an affordable priceExpertly made from premium materials
    $24.86 - $29.36
  • Groco® - 1-1/2" NPT(M) to 1-1/2" NPS(M) Pipe/Pipe Adapter
    Groco®1-1/2" NPT(M) to 1-1/2" NPS(M) Pipe/Pipe Adapter
    0
    # 5294032969
    1-1/2" NPT(M) to 1-1/2" NPS(M) Pipe/Pipe Adapter by Groco®. Patented IBVF Flanged Adaptors have been developed to address several common problems in the marine industry. This product is made of high-quality materials to serve you for...
    Eliminate dangerous thread miss-match when in-line valves are screwed onto thru hullsAccept standard thru-hulls into the base and standard in-line valves on top
    $77.61 - $78.22
  • Groco® - 1-1/4" BSPP(M) to 1-1/4" BSPP(F) Pipe/Pipe Adapter
    Groco®1-1/4" BSPP(M) to 1-1/4" BSPP(F) Pipe/Pipe Adapter
    0
    # 5294031406
    1-1/4" BSPP(M) to 1-1/4" BSPP(F) Pipe/Pipe Adapter by Groco®. Patented IBVF Flanged Adaptors have been developed to address several common problems in the marine industry. This product is made of high-quality materials to serve you for...
    Eliminate dangerous thread miss-match when in-line valves are screwed onto thru hullsAccept standard thru-hulls into the base and standard in-line valves on top
    $60.36 - $68.64
  • Groco® - 1-1/4" Hose I.D. to 1-1/4" NPT(M) Hose/Pipe Adapter
    Groco®1-1/4" Hose I.D. to 1-1/4" NPT(M) Hose/Pipe Adapter
    0
    # 5294033077
    1-1/4" Hose I.D. to 1-1/4" NPT(M) Hose/Pipe Adapter by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    High quality at an affordable priceExpertly made from premium materials
    $19.49 - $23.81
  • Groco® - 2" Hose I.D. to 2" NPT(M) Hose/Pipe Adapter
    Groco®2" Hose I.D. to 2" NPT(M) Hose/Pipe Adapter
    0
    # 5294031884
    2" Hose I.D. to 2" NPT(M) Hose/Pipe Adapter by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    High quality at an affordable priceExpertly made from premium materials
    $33.44 - $46.37
  • Groco® - 2" NPS(F) to 2" NPT(M) Pipe/Pipe Adapter
    Groco®2" NPS(F) to 2" NPT(M) Pipe/Pipe Adapter
    0
    # 5294033065
    2" NPS(F) to 2" NPT(M) Pipe/Pipe Adapter by Groco®. Patented IBVF Flanged Adaptors have been developed to address several common problems in the marine industry. This product is made of high-quality materials to serve you for years to...
    Eliminate dangerous thread miss-match when in-line valves are screwed onto thru hullsAccept standard thru-hulls into the base and standard in-line valves on top
    $87.90 - $101.91
  • Groco® - 3/4" Hose I.D. to 3/4" NPT(M) Hose/Pipe Adapter
    Groco®3/4" Hose I.D. to 3/4" NPT(M) Hose/Pipe Adapter
    0
    # 5294032639
    3/4" Hose I.D. to 3/4" NPT(M) Hose/Pipe Adapter by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    High quality at an affordable priceExpertly made from premium materials
    $7.73 - $12.70




Plumbing fittings are some of the most crucial components of your vessel. Being an integral part of your successful voyage, they extend the boat’s life and are used not only for toilets but also for galleys or supplying fresh water. At BOATiD, we offer everything you need for your boat’s plumbing system, including adapters, nipples, hoses, clamps, adhesives, and more professionally manufactured by a variety of trusted brands such as Perko, Groco, Flow-Rite, Attwood, SHURflo, Whale, and others.

Engineered to help you keep the vessel well-maintained, all products we store are expertly made using the latest in technology and materials to provide unparalleled performance and everlasting reliability while being budget-friendly priced. Designed with utmost attention to every detail, they come in a variety of sizes to meet or exceed your needs and requirements. Made to strict industry standards, all plumbing fittings undergo rigorous testing to ensure they will operate as they should and serve you for years to come.

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All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by BOATiD.com is a product authorized by or in any way connected with any manufacturers displayed on this page.
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