Thru-Hull Fittings
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![GROCO 3\/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w\/Nut [TH-750-WS]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55074/60279/74300XL__54970.1739601183.jpg?c=1 "GROCO 3\/4\" NPS NPT Combo Stainless Steel Thru-Hull Fitting w\/Nut [TH-750-WS]")
GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]
GROCO
$22.003/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures:NPSM / NPT combination thread#316 Stainless SteelSizes from 1/2" to 3"UL Listed 647BBSPP and Stainless Steel models available Specifications:Hose Size: 3/4"Material: Stainless...AM-74300$22.00 -
![GROCO 1-1\/4" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1250-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55070/60275/74292XL__03525.1739601173.jpg?c=1 "GROCO 1-1\/4\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1250-W]")
GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]
GROCO
MSRP: $55.00$47.991-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and Stainless Steel models available Specifications:Hose...AM-74292MSRP: $55.00$47.99 -
![GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55069/60274/74291XL__53461.1739601170.jpg?c=1 "GROCO 1\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1000-W]")
GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]
GROCO
MSRP: $33.00$32.991" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and Stainless Steel models available Specifications:Hose Size:...AM-74291MSRP: $33.00$32.99 -
![GROCO 3\/4" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-750-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55068/60273/74290XL__71274.1739601168.jpg?c=1 "GROCO 3\/4\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-750-W]")
GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]
GROCO
$23.003/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and Stainless Steel models available Specifications:Hose...AM-74290$23.00 -
![GROCO 1\/2" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-500-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55067/60272/74289XL__13242.1739601165.jpg?c=1 "GROCO 1\/2\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-500-W]")
GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]
GROCO
$21.001/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and Stainless Steel models available Specifications:Hose...AM-74289$21.00 -
![Attwood Plastic Thru-Hull Fitting - 1-1\/2" - White [3875-3]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/52989/57843/67101XL__03979.1739595767.jpg?c=1 "Attwood Plastic Thru-Hull Fitting - 1-1\/2\" - White [3875-3]")
Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]
Attwood Marine
$10.99Plastic Thru-Hull Fitting - 1-1/2" - WhiteThese thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis.Caution: Thru-Hull connectors are designed for installation above the water line only.Specifications:Fits Hose...AM-67101$10.99 -
![Perko 3\/4" Thru-Hull Fitting f\/Hose - Plastic Narrow Flange [0301DP5]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/52879/57706/66633XL__06322.1739595479.jpg?c=1 "Perko 3\/4\" Thru-Hull Fitting f\/Hose - Plastic Narrow Flange [0301DP5]")
Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]
Perko
$8.863/4" Thru-Hull Fitting f/Hose - Plastic Narrow FlangeFeatures:Molded whiteNarrow FlangeSpecifications:Hose Size: 3/4"Mounting Hole Diameter: 1"Max. Hull Thickness: 1-7/16"O.D. Flange: 1-1/2" Specifications:Hose Size: 3/4"Material:...AM-66633$8.86 -
![Perko 1-1\/8" Thru-Hull Fitting f\/Hose Narrow Flange - Plastic [0301DP6A]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/52380/57181/64705XL__80220.1739594239.jpg?c=1 "Perko 1-1\/8\" Thru-Hull Fitting f\/Hose Narrow Flange - Plastic [0301DP6A]")
Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]
Perko
$16.761-1/8" Thru-Hull Fitting for Hose Narrow Flange - PlasticFeatures:Molded whiteNarrow FlangeSpecifications:Hose Size: 1-1/8"Mounting Hole Diameter: 1-5/16"Max. Hull Thickness: 1-1/2"O.D. Flange: 1-7/8" Specifications:Hose Size: 1-1/8"Material: PlasticBox...AM-64705$16.76 -
![Perko 3\/4" Thru-Hull Fitting f\/ Hose Bronze MADE IN THE USA [0350005DPP]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47644/51535/39182XL__29049.1739581986.jpg?c=1 "Perko 3\/4\" Thru-Hull Fitting f\/ Hose Bronze MADE IN THE USA [0350005DPP]")
Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]
Perko
MSRP: $67.77$47.99Perko 3/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange.Cast bronze, plain or chromed brassRegular or short length versionsRegular...AM-39182MSRP: $67.77$47.99 -
![Perko 3\/4" Thru-Hull Fitting f\/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47643/51534/39181XL__39474.1739581984.jpg?c=1 "Perko 3\/4\" Thru-Hull Fitting f\/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]")
Perko 3/4" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]
Perko
MSRP: $82.67$52.99Perko 3/4" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange.Cast bronze, plain or chromed brassRegular or short length...AM-39181MSRP: $82.67$52.99 -
![Perko 5\/8" Thru-Hull Fitting f\/ Hose Bronze MADE IN THE USA [0350004DPP]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47642/51533/39180XL__19620.1739581982.jpg?c=1 "Perko 5\/8\" Thru-Hull Fitting f\/ Hose Bronze MADE IN THE USA [0350004DPP]")
Perko 5/8" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350004DPP]
Perko
MSRP: $62.46$36.99Perko 5/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange.Cast bronze, plain or chromed brassRegular or short length versionsRegular...AM-39180MSRP: $62.46$36.99 -
![Perko 5\/8" Thru-Hull Fitting f\/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47641/51532/39179XL__20615.1739581979.jpg?c=1 "Perko 5\/8\" Thru-Hull Fitting f\/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]")
Perko 5/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350004DPC]
Perko
MSRP: $66.39$35.99Perko 5/8" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange.Cast bronze, plain or chromed brassRegular or short length...AM-39179MSRP: $66.39$35.99