Thru-Hull Fittings

Plastic White Thru-Hull With Strainer - 3/4" Inner DiameterThe Thru-Hull Connector with Strainer prevents clogging of the aerator pump. Also, the strainer attaches to threads that extend beyond the external retaining nut. Specifications:Hose Size:...

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 Short 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 Construction:Cast...

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 - 1-1/4" 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...

Stainless Steel Thru-Hull Short 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 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...

Stainless Steel Thru-Hull Short 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 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 - 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 - 1-1/4" 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...

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 - 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...

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...

White 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...

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 Double Ended Connector - 3/4" Inner DiameterDouble-Ended Thru-Hull provides a watertight transition through bulkheads or tanks. Specifications:Fits Hose Size: (inch) 1-1/2" inner diameterStem Length: (inch) 5-1/2"Max Hull Thickness;...

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...

White Plastic Thru-Hull Fitting - 3/4" Inner DiameterThis thru-hull fitting is made with a durable, thermoplastic construction, which prevents electrolysis.Specifications:Hose Size: (inch) 3/4" Inner diameterStem Length: (inch) 3-1/4"Max Hull Thickness:...

White Plastic Thru-Hull Fitting - 5/8" Inner DiameterThis thru-hull fitting is made with a durable, thermoplastic construction, which prevents electrolysis.Specifications:Hose Size: (inch) 5/8" Inner diameterStem Length: (inch) 3-1/4"Max Hull Thickness:...

Pro 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...

Pro 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...

Pro 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...

1" 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: 742985193659

1-1/2" 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: 742985193673

1-1/4" 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: 742985193666

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...

2-1/2" Slotted Hi Speed Thru-Hull with NutFeatures:2-1/2" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

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...

3/4" 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: 742985195523

1-1/2" Duplex Stainless Steel 90 Degree Thru-Hull FittingSpecifications:Hose Size: 1-1/2"Dimensions: Flange O.D.: 2-3/8" Thread Length: 1-5/8" Barb Length: 1-1/2" Overall Length: 4" Cut Out: 1-1/2"Max. Hull Thickness: 1-1/4"Stainless Steel...