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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 4 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
    23 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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    $17.57
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    $4.00
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    $4.00

    Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]

    Perko
    16 in stock

    Perko 5/8" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 5/8 Mounting Hole Diamete...

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    $39.00
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    $23.00
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    $23.00

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

    GROCO
    7 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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    $49.00
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    $29.00

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

    GROCO
    Only 1 left!

    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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    $208.00
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    $208.00
    $125.00
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    $125.00

    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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    $68.00
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    $41.00
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    $41.00

    GROCO 1" Bronze Combo Scoop Thru-Hull w/Nut [STH-1000-W]

    GROCO
    Only 3 left!

    1" 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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    $7.57
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    $7.57
    $4.00
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    $4.00

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

    Perko
    10 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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    $16.19
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    $4.00

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

    Perko
    16 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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    $60.00
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    $60.00
    $36.00
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    $36.00

    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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    $36.00
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    $47.00
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    $28.00
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    $28.00

    GROCO 3/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-750-W]

    GROCO
    8 in stock

    3/4" Slotted Hi Speed Thru-Hull with NutFeatures: 3/4" NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 3/...

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    $183.00
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    $183.00
    $110.00
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    $110.00

    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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    $183.00
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    $110.00
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    $110.00
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    $365.00
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    $365.00
    $219.00
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    $219.00

    GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]

    GROCO
    Only 5 left!

    3" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 3" GROCO thru-hull fitting than conventional thru-hulls.Features: NPS...

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    $365.00
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    $219.00
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    $122.00
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    $122.00
    $73.00
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    $73.00

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

    GROCO
    Only 3 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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    $73.00
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    $73.00
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    $35.00
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    $35.00
    $21.00
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    $21.00

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

    GROCO
    20 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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    $21.00
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    $21.00
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    $43.00
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    $43.00
    $26.00
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    $26.00

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]

    GROCO
    14 in stock

    Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications...

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    $43.00
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    $43.00
    $26.00
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    $26.00
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    $69.00
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    $69.00
    $41.00
    $41.00 - $41.00
    $41.00

    GROCO 1" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1000-W]

    GROCO
    6 in stock

    1" Slotted Hi Speed Thru-Hull with NutFeatures: 1" NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 1" Mat...

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    $69.00
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    $25.00
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    $25.00
    $15.00
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    $15.00

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

    GROCO
    53 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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    $15.00
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    $97.00
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    $97.00
    $58.00
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    $58.00

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

    GROCO
    10 in stock

    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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    $97.00
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    $97.00
    $58.00
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    $58.00
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    $113.32
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    $113.32
    $51.00
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    $51.00

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

    Perko
    Only 5 left!

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

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    $113.32
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    $113.32
    $51.00
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    $51.00
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    $62.16
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    $62.16
    $33.00
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    $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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    $16.19
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    $16.19
    $4.00
    $4.00 - $4.00
    $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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    $16.19
    $4.00
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    $254.00
    $254.00 - $254.00
    $254.00
    $152.00
    $152.00 - $152.00
    $152.00

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

    GROCO
    Only 4 left!

    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.Featu...

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    $254.00
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    $254.00
    $152.00
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    $152.00
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    $74.00
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    $74.00
    $44.00
    $44.00 - $44.00
    $44.00

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

    GROCO
    30 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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    $74.00
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    $74.00
    $44.00
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    $44.00
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