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Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings

97 products

  • GROCO

    GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]

    3/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL...

    $25.99 USD
    $25.99 USD
    $25.99 USD
  • 25% off
    Attwood Marine

    Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]

    Stainless Steel Scupper Valve Barbed - 1-1/2" Hose SizePolish your image with these beautiful, durable stainless steel fittings. Why specify...

    $74.99 USD $99.99 USD
    $74.99 USD
    $74.99 USD $99.99 USD
  • 25% off
    Attwood Marine

    Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]

    Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why...

    $25.99 USD $34.99 USD
    $25.99 USD
    $25.99 USD $34.99 USD
  • 20% off
    GROCO

    GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S]

    1-1/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed...

    $83.99 USD $106.00 USD
    $83.99 USD
    $83.99 USD $106.00 USD
  • GROCO

    GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]

    1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2"...

    $25.99 USD
    $25.99 USD
    $25.99 USD
  • 17% off
    GROCO

    GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

    1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/4"...

    $68.99 USD $84.00 USD
    $68.99 USD
    $68.99 USD $84.00 USD
  • 16% off
    GROCO

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]

    Bronze Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size:...

    $60.99 USD $73.00 USD
    $60.99 USD
    $60.99 USD $73.00 USD
  • Perko

    Perko 1-1/2" Thru-Hull Fitting f/Hose Plastic MADE IN THE USA [0328DP8]

    Perko 1-1/2" Thru-Hull Fitting for Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1-1/2 Mounting Hole Diameter...

    $24.99 USD
    $24.99 USD
    $24.99 USD
  • 18% off
    GROCO

    GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

    1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/2"...

    $72.99 USD $90.00 USD
    $72.99 USD
    $72.99 USD $90.00 USD
  • 14% off
    GROCO

    GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

    1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Material:...

    $53.99 USD $63.00 USD
    $53.99 USD
    $53.99 USD $63.00 USD
  • 19% off
    Perko

    Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]

    Perko 3/4" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis...

    $53.99 USD $66.76 USD
    $53.99 USD
    $53.99 USD $66.76 USD
  • 25% off
    GROCO

    GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]

    2-1/2" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 2-1/2" GROCO thru-hull fitting than conventional thru-hulls.Features: NPSM...

    $161.99 USD $218.00 USD
    $161.99 USD
    $161.99 USD $218.00 USD
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