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Marine Plumbing & Ventilation - Thru-Hull Fittings

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

    GROCO
    Only 1 left!

    1-1/4" 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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    GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]

    GROCO
    22 in stock

    3/4" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT...

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    $21.00

    GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]

    GROCO
    8 in stock

    1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 ...

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    $38.00
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    $23.00

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

    GROCO
    Only 2 left!

    3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag...

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

    GROCO
    Only 2 left!

    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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    $36.00
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    GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]

    GROCO
    12 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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    $88.08
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    $43.00
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    $43.00

    Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]

    Perko
    Only 1 left!

    Perko 1-1/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck is threaded to appr...

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    $58.00

    GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

    GROCO
    Only 2 left!

    2" 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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    $20.00

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

    GROCO
    16 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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    GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]

    GROCO
    Only 3 left!

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

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    $67.00
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    $40.00

    GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

    GROCO
    Only 1 left!

    1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" ...

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    $96.00
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    $58.00

    GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]

    GROCO
    7 in stock

    1-1/2" 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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    $34.00
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    $20.00

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

    GROCO
    16 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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    $162.00
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    $97.00
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    $97.00

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

    GROCO
    Only 1 left!

    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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    $47.00
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    $28.00
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    $28.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125]

    GROCO
    15 in stock

    Bronze Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1...

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    $34.00
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    $20.00

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

    GROCO
    16 in stock

    Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: ...

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    $94.00
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    $56.00
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    $56.00

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

    GROCO
    Only 4 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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    $71.00
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    $43.00

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

    GROCO
    27 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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    $55.00
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    $33.00

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

    GROCO
    18 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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    $209.01
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    $84.00
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    $84.00

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

    Perko
    Only 5 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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    $84.00
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    $99.99
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    $99.99
    $68.00
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    $68.00

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

    Attwood Marine
    13 in stock

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

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    $99.99
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    $68.00
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    $87.56
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    $87.56
    $37.00
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    $37.00

    Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

    Perko
    7 in stock

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

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    $37.00
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    $164.41
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    $164.41
    $65.00
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    $65.00

    Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]

    Perko
    Only 4 left!

    Perko 1-1/2" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to appro...

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    $164.41
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    $164.41
    $65.00
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    $65.00
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    $26.00
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    $26.00
    $16.00
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    $16.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

    GROCO
    14 in stock

    Bronze Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 5/8" ...

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    $26.00
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    $26.00
    $16.00
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