Thru-Hull Fittings
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![GROCO 1-1\/2" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/76152/83471/111453XL__75639.1773252819.jpg?c=1 "GROCO 1-1\/2\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]")
GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]
GROCO
$131.001-1/2" Slotted Hi Speed Thru-Hull with NutFeatures:1-1/2" NPSM / NPT combination threadC83600 BronzeWith NutSlotted Specifications:Hose Size: 1-1/2"Material: BronzeBox Dimensions: 3"H x 3"W x 4"L WT: 1.2 lbsUPC: 742985193673GM-111453- SKU:
- GM-111453
- Weight:
- 1.20 Ounces
- MPN:
- HSSLTH-1500-W
$131.00 -
![GROCO 1-1\/4" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1250-W]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/76151/83470/111452XL__87274.1773252817.jpg?c=1 "GROCO 1-1\/4\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1250-W]")
GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]
GROCO
$104.001-1/4" Slotted Hi Speed Thru-Hull with NutFeatures:1-1/4" NPSM / NPT combination threadC83600 BronzeWith NutSlotted Specifications:Hose Size: 1-1/4"Material: BronzeBox Dimensions: 3"H x 3"W x 4"L WT: 1.1 lbsUPC: 742985193666GM-111452- SKU:
- GM-111452
- Weight:
- 1.10 Ounces
- MPN:
- HSSLTH-1250-W
$104.00 -
![GROCO 1" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/76150/83469/111451XL__21698.1773252815.jpg?c=1 "GROCO 1\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]")
GROCO 1" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1000-W]
GROCO
$61.001" Slotted Hi Speed Thru-Hull with NutFeatures:1" NPSM / NPT combination threadC83600 BronzeWith NutSlotted Specifications:Hose Size: 1"Material: BronzeBox Dimensions: 3"H x 3"W x 4"L WT: 0.7 lbsUPC: 742985193659GM-111451- SKU:
- GM-111451
- Weight:
- 0.70 Ounces
- MPN:
- HSSLTH-1000-W
$61.00 -
![GROCO 3\/4" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-750-W]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/76149/83468/111450XL__39228.1773252812.jpg?c=1 "GROCO 3\/4\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-750-W]")
GROCO 3/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-750-W]
GROCO
$41.003/4" Slotted Hi Speed Thru-Hull with NutFeatures:3/4" NPSM / NPT combination threadC83600 BronzeWith NutSlotted Specifications:Hose Size: 3/4"Material: BronzeBox Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbsUPC: 742985195523GM-111450- SKU:
- GM-111450
- Weight:
- 0.50 Ounces
- MPN:
- HSSLTH-750-W
$41.00Qty in Cart: 0Quantity:Price:$41.00Subtotal: -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1\/2"-2" [930003SS]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/74842/81733/109272XL__38114.1773249302.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$40.99Pro 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...GM-109272- SKU:
- GM-109272
- Weight:
- 0.20 Ounces
- MPN:
- 930003SS
MSRP: $196.95$40.99 -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1\/4" [930002SS]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/74841/81732/109271XL__96786.1773249299.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...GM-109271- SKU:
- GM-109271
- Weight:
- 0.20 Ounces
- MPN:
- 930002SS
$17.95 -
![Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1\/2"-3\/4" [930001SS]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/74840/81731/109270XL__12268.1773249297.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...GM-109270- SKU:
- GM-109270
- Weight:
- 0.02 Ounces
- MPN:
- 930001SS
$19.99 -
![Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/74450/81124/108453XL__12609.1773248129.jpg?c=1 "Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]")
Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1]
Sea-Dog
$21.15Thru-Hull with Scupper Valve - Injection Molded AcetelThis Thru-Hull Scupper Valve mounts through the transom and provides a water exit for boats with self-bailing cockpits. Ideal for above the water line drainage. Valve features a soft black flapper...GM-108453- SKU:
- GM-108453
- Weight:
- 0.00 Ounces
- MPN:
- 520510-1
$21.15Qty in Cart: 0Quantity:Price:$21.15Subtotal: -
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/72232/77830/103896XL__61769.1773241721.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-bymtloh6fs/images/stencil/590x590/products/72232/77831/103896BXL__04834.1773241722.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$239.993" 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...GM-103896- SKU:
- GM-103896
- Weight:
- 4.80 Ounces
- MPN:
- TH-3000-W
MSRP: $332.00$239.99 -
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/72231/77828/103895XL__94798.1773241718.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-bymtloh6fs/images/stencil/590x590/products/72231/77829/103895BXL__64143.1773241718.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$166.992-1/2" 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...GM-103895- SKU:
- GM-103895
- Weight:
- 3.20 Ounces
- MPN:
- TH-2500-W
MSRP: $231.00$166.99 -
![Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1\/8" Inner Diameter [3879-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69695/74060/98109XL__23179.1773234627.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
MSRP: $16.19$14.99White 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...GM-98109- SKU:
- GM-98109
- Weight:
- 0.25 Ounces
- MPN:
- 3879-3
MSRP: $16.19$14.99 -
![Attwood White Plastic 90 Degree Thru-Hull Connector - 3\/4" Inner Diameter [3877-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69694/74059/98107XL__31102.1773234625.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
MSRP: $9.99$8.99White 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...GM-98107- SKU:
- GM-98107
- Weight:
- 0.20 Ounces
- MPN:
- 3877-3
MSRP: $9.99$8.99 -
![Attwood White Plastic Thru-Hull Fitting - 1-1\/8" Inner Diameter [3874-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69692/74057/98103XL__61919.1773234620.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
MSRP: $9.99$8.99White 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...GM-98103- SKU:
- GM-98103
- Weight:
- 0.25 Ounces
- MPN:
- 3874-3
MSRP: $9.99$8.99 -
![Attwood Stainless Steel Scupper Valve Barbed - 1-1\/2" Hose Size [66553-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69691/74056/98094XL__18159.1773234617.jpg?c=1 "Attwood Stainless Steel Scupper Valve Barbed - 1-1\/2\" Hose Size [66553-3]")
Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]
Attwood Marine
MSRP: $102.83$87.99Stainless Steel Scupper Valve Barbed - 1-1/2" Hose SizePolish 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 Construction:Cast from...GM-98094- SKU:
- GM-98094
- Weight:
- 3.00 Ounces
- MPN:
- 66553-3
MSRP: $102.83$87.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1\/2" Inner Diameter [66551-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69690/74055/98093XL__33462.1773234615.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$52.99Stainless 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...GM-98093- SKU:
- GM-98093
- Weight:
- 1.55 Ounces
- MPN:
- 66551-3
MSRP: $61.56$52.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1\/8" Inner Diameter [66549-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69689/74054/98091XL__31855.1773234612.jpg?c=1 "Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1\/8\" Inner Diameter [66549-3]")
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner Diameter [66549-3]
Attwood Marine
MSRP: $42.28$35.99Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" 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...GM-98091- SKU:
- GM-98091
- Weight:
- 0.85 Ounces
- MPN:
- 66549-3
MSRP: $42.28$35.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69688/74053/98090XL__93436.1773234610.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
MSRP: $35.42$30.99Stainless 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...GM-98090- SKU:
- GM-98090
- Weight:
- 0.80 Ounces
- MPN:
- 66548-3
MSRP: $35.42$30.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3\/4" Inner Diameter [66547-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69687/74052/98089XL__74320.1773234608.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
MSRP: $30.39$26.99Stainless 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...GM-98089- SKU:
- GM-98089
- Weight:
- 0.60 Ounces
- MPN:
- 66547-3
MSRP: $30.39$26.99 -
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5\/8" Inner Diameter [66546-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69686/74051/98088XL__21721.1773234605.jpg?c=1 "Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5\/8\" Inner Diameter [66546-3]")
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]
Attwood Marine
MSRP: $27.99$25.99Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" 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...GM-98088- SKU:
- GM-98088
- Weight:
- 0.50 Ounces
- MPN:
- 66546-3
MSRP: $27.99$25.99 -
![Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1\/2" Inner Diameter [66545-3]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/69685/74050/98087XL__47061.1773234603.jpg?c=1 "Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1\/2\" Inner Diameter [66545-3]")
Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3]
Attwood Marine
MSRP: $61.99$53.99Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter Polish 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...GM-98087- SKU:
- GM-98087
- Weight:
- 1.20 Ounces
- MPN:
- 66545-3
MSRP: $61.99$53.99