Thru-Hull Fittings
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![T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/72488/84928/113650XL__40386.1775252626.jpg?c=1 "T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP]")
![T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/72488/84929/113650BXL__24419.1775252626.jpg?c=1 "T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP]")
T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP]
T-H Marine Supplies
$65.1690-Degree Cockpit Scupper Drain - WhiteThis cockpit scupper drain is an affordable and durable solution for draining areas below the waterline. Made from high-strength, UV-stabilized polymer, it features a check ball for effective sealing against...AM-113650$65.16 -
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/71497/83637/103896XL__14925.1767044310.jpg?c=1 "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/71497/83638/103896BXL__62887.1767044311.jpg?c=1 "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
GROCO 3" Bronze Thru-Hull Fitting w/Nut [TH-3000-W]
GROCO
MSRP: $332.00$231.993" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 3" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL listed 647BIncludes nut BSPP and stainless steel models are...AM-103896MSRP: $332.00$231.99 -
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/71496/83635/103895XL__17168.1767044307.jpg?c=1 "GROCO 2-1\/2\" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]")
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/71496/83636/103895BXL__51330.1767044307.jpg?c=1 "GROCO 2-1\/2\" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]")
GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]
GROCO
MSRP: $231.00$163.992-1/2" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 2-1/2" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL listed 647BIncludes nut BSPP and stainless steel...AM-103895MSRP: $231.00$163.99 -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1\/2"-2" [930003SS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/68705/79868/109272XL__72791.1750909407.jpg?c=1 "Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1\/2\"-2\" [930003SS]")
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]
Forespar Performance Products
MSRP: $196.95$26.99Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications:Hose Size: 2"Material: PlasticBox Dimensions: 3"H x 3"W x 3"L WT: 0.2 lbsBrochure...AM-109272MSRP: $196.95$26.99 -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1\/4" [930002SS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/68704/79867/109271XL__12785.1750909405.jpg?c=1 "Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\"-1-1\/4\" [930002SS]")
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]
Forespar Performance Products
$17.95Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications:Hose Size: 1-1/4"Material: PlasticBox Dimensions: 2"H x 2"W x 3"L WT: 0.2...AM-109271$17.95 -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\/2"-3\/4" [930001SS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/68703/79866/109270XL__12443.1750909403.jpg?c=1 "Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\/2\"-3\/4\" [930001SS]")
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]
Forespar Performance Products
$19.99Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications:Hose Size: 3/4"Material: PlasticBox Dimensions: 2"H x 2"W x 3"L WT: 0.02 lbsBrochure...AM-109270$19.99 -
![Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1\/8" Inner Diameter [3879-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/66572/76794/98109XL__93153.1742582422.jpg?c=1 "Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1\/8\" Inner Diameter [3879-3]")
Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]
Attwood Marine
$16.19White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. The angled design also eliminates hose kinking.Specifications:Fits Hose Size: (inch) 1-1/8"inner...AM-98109$16.19 -
![Attwood White Plastic 90 Degree Thru-Hull Connector - 3\/4" Inner Diameter [3877-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/63334/71405/98107XL__26989.1739623591.jpg?c=1 "Attwood White Plastic 90 Degree Thru-Hull Connector - 3\/4\" Inner Diameter [3877-3]")
Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter [3877-3]
Attwood Marine
$9.99White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. The angled design also eliminates hose kinking.Specifications:Fits Hose Size: (inch) 3/4"inner...AM-98107$9.99 -
![Attwood White Plastic Thru-Hull Fitting - 1-1\/8" Inner Diameter [3874-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/63331/71402/98103XL__07913.1739623584.jpg?c=1 "Attwood White Plastic Thru-Hull Fitting - 1-1\/8\" Inner Diameter [3874-3]")
Attwood White Plastic Thru-Hull Fitting - 1-1/8" Inner Diameter [3874-3]
Attwood Marine
$9.99White Plastic Thru-Hull Fitting - 1-1/8" Inner DiameterThis thru-hull fitting is made with a durable, thermoplastic construction, which prevents electrolysis.Specifications:Hose Size: (inch) 1-1/8" Inner diameterStem Length: (inch) 3-1/4"Max Hull...AM-98103$9.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1\/2" Inner Diameter [66551-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/63323/71394/98093XL__06186.1739623564.jpg?c=1 "Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1\/2\" Inner Diameter [66551-3]")
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3]
Attwood Marine
MSRP: $61.56$58.99Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless...AM-98093MSRP: $61.56$58.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/63321/71392/98090XL__40569.1739623558.jpg?c=1 "Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1\" Inner Diameter [66548-3]")
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]
Attwood Marine
$35.42Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless...AM-98090$35.42 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3\/4" Inner Diameter [66547-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/63320/71391/98089XL__92990.1739623556.jpg?c=1 "Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3\/4\" Inner Diameter [66547-3]")
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]
Attwood Marine
$30.39Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless...AM-98089$30.39