Thru-Hull Fittings

2-1/2" 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...

3" 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...

White 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...

White 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...

Stainless 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...

Stainless 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...

Stainless 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...

Stainless 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...

Stainless 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...

Stainless 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...

Stainless Steel Thru-Hull Short 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...

1-1/2" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B Specifications:Hose Size: 1-1/2"Material: Stainless SteelBox Dimensions: 5"H x 6"W x 6"L WT: 2.2...

1-1/4" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B Specifications:Hose Size: 1-1/4"Material: Stainless SteelBox Dimensions: 5"H x 6"W x 6"L WT: 1.15...

1" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B Specifications:Hose Size: 1"Material: Stainless SteelBox Dimensions: 5"H x 5"W x 5"L WT: 1.2 lbsUPC:...

3/4" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B Specifications:Material: Stainless SteelHose Size: 3/4"Box Dimensions: 3"H x 3"W x 5"L WT: 0.75...

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 dragExtra Long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 3/4"Material:...

2" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 2"Material: BronzeBox Dimensions: 4"H...

1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1-1/2"Material: BronzeBox Dimensions:...

1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1-1/4"Material: BronzeBox Dimensions:...

1" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1"Material: BronzeBox Dimensions: 3"H...