Thru-Hull Fittings
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![GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-2000-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55072/60277/74298XL__77777.1739601178.jpg?c=1 "GROCO 2\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-2000-W]")
GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-2000-W]
GROCO
MSRP: $107.00$81.992" 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-74298MSRP: $107.00$81.99 -
![GROCO 1-1\/2" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1500-W]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/55071/60276/74293XL__89564.1739601175.jpg?c=1 "GROCO 1-1\/2\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1500-W]")
GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]
GROCO
MSRP: $71.00$58.991-1/2" 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-74293MSRP: $71.00$58.99 -
![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 -
![Perko Thru-Hull Scupper f\/Mounting Through Transom [0323DP]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/54810/59966/73277XL__59008.1739600498.jpg?c=1 "Perko Thru-Hull Scupper f\/Mounting Through Transom [0323DP]")
Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]
Perko
MSRP: $60.09$48.99Thru-Hull Scupper for Mounting Through TransomFeatures:Molded White PolymerSoft Black FlapperNut and Mounting Hardware IncludedSpecifications:Hose Size: 1-1/2"Mounting Hole Diameter: 1-7/8"Max. Hole Thickness: 2-1/8"O.D. Flange: 2-7/8"...AM-73277MSRP: $60.09$48.99 -
![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 3\/4" Thru-Hull Fitting w\/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47948/51892/41820XL__69573.1739582770.jpg?c=1 "Perko 3\/4\" Thru-Hull Fitting w\/Pipe Thread Bronze Extra Long - Max Hull 5\" Thick [0348DP5PLB]")
Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]
Perko
MSRP: $118.72$84.99Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck is threaded to approximately 3/8 inch from flange.Material:Cast Bronze Specifications:Hose Size:...AM-41820MSRP: $118.72$84.99 -
![Perko 1-1\/8" Thru-Hull Fitting f\/ Hose Bronze Made in the USA [035006ADPP]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47651/51542/39190XL__14010.1739582003.jpg?c=1 "Perko 1-1\/8\" Thru-Hull Fitting f\/ Hose Bronze Made in the USA [035006ADPP]")
Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]
Perko
MSRP: $88.08$65.99Perko 1-1/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck is threaded to approximately 3/16 inch from flange.Cast bronze, plain or chromed brassRegular or short length versonsRegular...AM-39190MSRP: $88.08$65.99 -
![Perko 1-1\/8" Thru-Hull Fitting f\/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]](https://cdn11.bigcommerce.com/s-zyjttlwdu2/images/stencil/590x590/products/47650/51541/39189XL__31688.1739582001.jpg?c=1 "Perko 1-1\/8\" Thru-Hull Fitting f\/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]")
Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]
Perko
MSRP: $113.32$81.99Perko 1-1/8" Thru-Hull Connection f/ use with Hose Chrome Plated 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...AM-39189MSRP: $113.32$81.99