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Marine Plumbing & Ventilation - Thru-Hull Fittings

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

    GROCO
    9 in stock

    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/...

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    $34.00
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    $20.00
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    $20.00

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]

    GROCO
    15 in stock

    Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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    $22.00
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    $13.00
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    $13.00

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

    GROCO
    10 in stock

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

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    $7.57
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    $4.00
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    $4.00

    Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]

    Perko
    18 in stock

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

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    $166.00
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    $100.00
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    $100.00

    GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]

    GROCO
    7 in stock

    2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 B...

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    $44.00
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    $44.00
    $26.00
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    $26.00

    GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]

    GROCO
    18 in stock

    3/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600...

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    $60.00
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    $36.00
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    $36.00

    GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]

    GROCO
    9 in stock

    1" 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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    $36.00
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    $36.00
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    $191.00
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    $191.00
    $115.00
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    $115.00

    GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting [HTHC-1500-S]

    GROCO
    Only 4 left!

    1-1/2" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specif...

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    $191.00
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    $191.00
    $115.00
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    $115.00
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    $58.00
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    $58.00
    $35.00
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    $35.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

    GROCO
    10 in stock

    Bronze Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1...

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    $58.00
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    $23.00
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    $23.00
    $14.00
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    $14.00

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

    GROCO
    12 in stock

    3/4" 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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    $14.00
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    $14.00
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    $71.00
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    $71.00
    $43.00
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    $43.00

    GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]

    GROCO
    21 in stock

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

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    $43.00
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    $19.99
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    $19.99
    $11.00
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    $11.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]

    Forespar Performance Products
    Only 4 left!

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4"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
    $11.00
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    $11.00
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    $16.19
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    $16.19
    $4.00
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    $4.00

    Perko 1-1/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6A]

    Perko
    13 in stock

    Perko 1-⅛" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1-1/8 Mounting Hole Diame...

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    $16.19
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    $4.00
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    $4.00
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    $55.00
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    $33.00
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    $33.00

    GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]

    GROCO
    11 in stock

    1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B A...

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    $33.00
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    $8.06
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    $8.06
    $4.00
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    $4.00

    Perko 3/4" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP5]

    Perko
    16 in stock

    Perko 3/4" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 3/4 Mounting Hole Diamete...

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    $8.06
    $4.00
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    $4.00
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    $29.74
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    $29.74
    $23.00
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    $23.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]

    Attwood Marine
    7 in stock

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

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    $29.74
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    $23.00
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    $23.00
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    $181.75
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    $181.75
    $73.00
    $73.00 - $73.00
    $73.00

    Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]

    Perko
    6 in stock

    Perko 1-1/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1-1/4 Maximum Hull Thickness Inches:...

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    $181.75
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    $181.75
    $73.00
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    $73.00
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    $35.86
    $35.86 - $35.86
    $35.86
    $17.00
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    $17.00

    Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]

    Perko
    Only 5 left!

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

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    $35.86
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    $35.86
    $17.00
    $17.00 - $17.00
    $17.00
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    $104.00
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    $104.00
    $62.00
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    $62.00

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]

    GROCO
    8 in stock

    Stainless Steel Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Ho...

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    $104.00
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    $104.00
    $62.00
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    $62.00
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    $8.86
    $8.86 - $8.86
    $8.86
    $6.00
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    $6.00

    Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]

    Perko
    17 in stock

    3/4" Thru-Hull Fitting f/Hose - Plastic Narrow FlangeFeatures: Molded white Narrow Flange Specifications: Hose Size: 3/4" Mounting Hole Diameter: ...

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    $8.86
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    $8.86
    $6.00
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    $6.00
    Save 32% Save %
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    $67.77
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    $67.77
    $35.00
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    $35.00

    Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]

    Perko
    6 in stock

    Perko 3/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxi...

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    $67.77
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    $67.77
    $35.00
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    $35.00
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    $55.00
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    $55.00
    $33.00
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    $33.00

    GROCO 3/4" 90 Degree Hose Thru-Hull Fitting [HTHC-750-S]

    GROCO
    Only 4 left!

    3/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specific...

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    $55.00
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    $55.00
    $33.00
    $33.00 - $33.00
    $33.00
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    $33.00
    $33.00 - $33.00
    $33.00
    $20.00
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    $20.00

    GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

    GROCO
    17 in stock

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

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    $33.00
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    $33.00
    $20.00
    $20.00 - $20.00
    $20.00
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    $51.96
    $51.96 - $51.96
    $51.96
    $28.00
    $28.00 - $28.00
    $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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    $51.96
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    $51.96
    $28.00
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    $28.00
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