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Marine Plumbing & Ventilation - Thru-Hull Fittings

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    $51.96
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    $28.00

    Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]

    Perko
    Only 4 left!

    Perko 1/2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis threaded to appro...

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    $16.76
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    $16.76
    $11.00
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    $11.00

    Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]

    Perko
    12 in stock

    1-1/8" Thru-Hull Fitting for Hose Narrow Flange - PlasticFeatures: Molded white Narrow Flange Specifications: Hose Size: 1-1/8" Mounting Hole Di...

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    $16.19
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    $16.19
    $4.00
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    $4.00

    Perko 1" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6]

    Perko
    10 in stock

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

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    $86.00
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    $86.00
    $52.00
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    $52.00

    GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]

    GROCO
    Only 3 left!

    1-1/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C836...

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    $86.00
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    $19.99
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    $19.99
    $15.00
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    $15.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]

    Forespar Performance Products
    Only 4 left!

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $19.99
    $15.00
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    $15.00
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    $19.99
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    $19.99
    $14.00
    $14.00 - $14.00
    $14.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]

    Forespar Performance Products
    Only 4 left!

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $19.99
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    $19.99
    $14.00
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    $14.00
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    $61.99
    $61.99 - $61.99
    $61.99
    $45.00
    $45.00 - $45.00
    $45.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3]

    Attwood Marine
    Only 5 left!

    Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter Polish your image with these beautiful, durable stainless steel fittings. ...

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    $61.99
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    $61.99
    $45.00
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    $45.00
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    $21.00
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    $21.00
    $13.00
    $13.00 - $13.00
    $13.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

    GROCO
    21 in stock

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

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    $21.00
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    $13.00
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    $13.00
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    $124.00
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    $124.00
    $74.00
    $74.00 - $74.00
    $74.00

    GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-2000-W]

    GROCO
    Only 3 left!

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

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    $124.00
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    $124.00
    $74.00
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    $74.00
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    $10.99
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    $10.99
    $8.00
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    $8.00

    Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]

    Attwood Marine
    Only 5 left!

    Plastic Thru-Hull Fitting - 1-1/2" - WhiteThese thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis.Caution...

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    $10.99
    $8.00
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    $8.00
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  • Save 57% Save %
    $209.01
    $209.01 - $209.01
    $209.01
    $90.00
    $90.00 - $90.00
    $90.00

    Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

    Perko
    Only 4 left!

    Perko 2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approx...

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    $209.01
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    $209.01
    $90.00
    $90.00 - $90.00
    $90.00
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  • Save 47% Save %
    $62.16
    $62.16 - $62.16
    $62.16
    $33.00
    $33.00 - $33.00
    $33.00

    Perko 5" x 3-1/4" Scoop Strainer Bronze MADE IN THE USA [0066DP2PLB]

    Perko
    Only 2 left!

    Perko 5" X 3-1/4" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/4 & 1 Dimensions Strainer ...

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    $62.16
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    $62.16
    $33.00
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    $33.00
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    $30.39
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    $30.39
    $24.00
    $24.00 - $24.00
    $24.00

    Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]

    Attwood Marine
    7 in stock

    Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. ...

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    $30.39
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    $30.39
    $24.00
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    $24.00
    Save 21% Save %
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    $35.16
    $35.16 - $35.16
    $35.16
    $25.00
    $25.00 - $25.00
    $25.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3]

    Attwood Marine
    6 in stock

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

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    $35.16
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    $35.16
    $25.00
    $25.00 - $25.00
    $25.00
    Save 29% Save %
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    $88.08
    $88.08 - $88.08
    $88.08
    $46.00
    $46.00 - $46.00
    $46.00

    Perko 1" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350006DPP]

    Perko
    Only 5 left!

    Perko 1" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxima...

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    $88.08
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    $88.08
    $46.00
    $46.00 - $46.00
    $46.00
    Save 48% Save %
  • Save 29% Save %
    $35.42
    $35.42 - $35.42
    $35.42
    $25.00
    $25.00 - $25.00
    $25.00

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

    Attwood Marine
    Only 4 left!

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

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    $35.42
    $35.42 - $35.42
    $35.42
    $25.00
    $25.00 - $25.00
    $25.00
    Save 29% Save %
  • Save 46% Save %
    $114.05
    $114.05 - $114.05
    $114.05
    $62.00
    $62.00 - $62.00
    $62.00

    Perko 8" x 5-1/8" Scoop Strainer Bronze MADE IN THE USA [0066DP4PLB]

    Perko
    12 in stock

    Perko 8" x 5-1/8" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/8 & 1/2 Dimensions Straine...

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    $114.05
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    $114.05
    $62.00
    $62.00 - $62.00
    $62.00
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    $35.00
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    $35.00
    $21.00
    $21.00 - $21.00
    $21.00

    GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]

    GROCO
    15 in stock

    1" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT c...

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    $35.00
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    $21.00
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    $21.00
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    $86.00
    $86.00 - $86.00
    $86.00
    $52.00
    $52.00 - $52.00
    $52.00

    GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-2000-WS]

    GROCO
    Only 4 left!

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

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    $86.00
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    $86.00
    $52.00
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    $52.00
    Save 40% Save %
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    $62.00
    $62.00 - $62.00
    $62.00
    $37.00
    $37.00 - $37.00
    $37.00

    GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]

    GROCO
    9 in stock

    1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / N...

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    $62.00
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    $62.00
    $37.00
    $37.00 - $37.00
    $37.00
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    $94.00
    $94.00 - $94.00
    $94.00
    $56.00
    $56.00 - $56.00
    $56.00

    GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

    GROCO
    Only 2 left!

    2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL L...

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    $94.00
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    $94.00
    $56.00
    $56.00 - $56.00
    $56.00
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    $90.00
    $90.00 - $90.00
    $90.00
    $54.00
    $54.00 - $54.00
    $54.00

    GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]

    GROCO
    18 in stock

    1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / N...

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    $90.00
    $90.00 - $90.00
    $90.00
    $54.00
    $54.00 - $54.00
    $54.00
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    $41.00
    $41.00 - $41.00
    $41.00
    $25.00
    $25.00 - $25.00
    $25.00

    GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-750-W]

    GROCO
    12 in stock

    3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 3/4" M...

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    $41.00
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    $41.00
    $25.00
    $25.00 - $25.00
    $25.00
    Save 39% Save %
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    $21.00
    $21.00 - $21.00
    $21.00
    $13.00
    $13.00 - $13.00
    $13.00

    GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

    GROCO
    23 in stock

    1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Ava...

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    $21.00
    $21.00 - $21.00
    $21.00
    $13.00
    $13.00 - $13.00
    $13.00
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