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Marine Plumbing & Ventilation - Thru-Hull Fittings

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GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-2000-W]

GROCO
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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 Avail...

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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 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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$29.99
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GROCO 3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-750-W]

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

GROCO
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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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GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]

GROCO
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3/4" 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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GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]

GROCO
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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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Perko 1-1/2" Thru-Hull Fitting f/Hose Plastic MADE IN THE USA [0328DP8]

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

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

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

GROCO
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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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$74.99
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$74.99

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

GROCO
Low stock

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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Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]

Perko
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Perko 1" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1 Maximum Hull Thickness Inches: 2-1/2 ...

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

GROCO
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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$36.99
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GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125]

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

GROCO
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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$131.00
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$88.99
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GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-2000-W]

GROCO
Low stock

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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$38.99
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GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]

GROCO
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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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Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]

Attwood Marine
Low stock

Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. ...

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GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]

GROCO
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1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

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Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]

Attwood Marine
Low stock

White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow dra...

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GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

GROCO
In stock

1-1/4" 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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$48.99
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GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

GROCO
Low stock

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

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$68.99
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Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

Perko
Low stock

Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck ...

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$118.72
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$68.99
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$109.63
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$56.99
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Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

Perko
In stock

Perko 3/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 3/4 Maximum Hull Thickness Inches: 2-3...

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$109.63
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$109.63
$56.99
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