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Marine Plumbing & Ventilation - Thru-Hull Fittings

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

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

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

GROCO
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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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$191.00
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$125.99
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GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting [HTHC-1500-S]

GROCO
Low stock

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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$40.99
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GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

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

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

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

Forespar Performance Products
Low stock

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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$4.99
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$4.99

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

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

GROCO
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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$29.74
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$23.99
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Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]

Attwood Marine
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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$181.75
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$78.99
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Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]

Perko
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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$19.99
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Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]

Perko
In stock

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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$104.00
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$70.99
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GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]

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

Perko
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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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$67.77
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Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]

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

GROCO
Low stock

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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$22.99
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$22.99

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

GROCO
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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$31.99
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Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]

Perko
Low stock

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

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

Perko
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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$4.99
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$86.00
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$86.00
$59.99
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$59.99

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

GROCO
Low 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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$86.00
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$59.99
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$19.99
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$16.99
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$16.99

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

Forespar Performance Products
Low stock

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
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$19.99
$16.99
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$19.99
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$15.99
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$15.99

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

Forespar Performance Products
Low stock

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
$15.99
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