Marine Plumbing & Ventilation - Thru-Hull Fittings

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 Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedShort Thread is a more compact size, which allows installation near corners and in confined areasSpecifications: Hose size: (inch) 1-1/2" inner diameter Flange Diameter: (inch) 3" Thread O.D. (outside diameter): (inch) 1-7/8"  Thread Length: (inch) 1-1/4" Barb Length: (inch) 1-1/2" Total Length: (inch) 3-1/8" Install Hole Saw Size: (inch) 2"  Thread NPSM: (inch) 1-1/2" Max Hull Thickness: (inch) 5/8" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 3"L WT: 1.2 lbs UPC: 022697665454 Quick Guide (pdf)

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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 certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Scupper Valve is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Scupper Valves, Barbed: The Scupper Flap is tough neoprene rubber with a molded V that fits into the grooved body to reduce backwash Fasteners are concealed and corrosion-proof Specifications: Hose size: (inch) 1-1/2" inner diameter Thread Diameter: (inch) 1-7/8"  Flange O.D. (outside diameter): (inch) 3" Thread Length: (inch) 3-1/2" Barb Length: (inch) 1-1/2" Total Length: (inch) 5-1/2" Install Hole Saw Size: (inch) 2"  Thread NPSM: (inch) 1-1/2" Max Hull Thickness: (inch) 3" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/4" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 6"L WT: 3 lbs UPC: 022697665539 Quick Guide (pdf)

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Perko 3/4" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 3/4 Mounting Hole Diameter Inches: 1 Maximum Hull Thickness Inches: 1-7/16 O.D. Flange Inches: 1-7/8 Model Number: 0328DP5 Ship Weight: 1.3/9.1 lbs. MADE IN THE USA Specifications: Hose Size: 3/4" Material: Plastic Box Dimensions: 2"H x 2"W x 6"L WT: 0.1 lbs UPC: 085226034138

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Perko 3/4" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis threaded to approximately 3/8 inch from flange.Cast bronze.Technical Information: Pipe Size Inches: 3/4 Mouting Hole Diameter Inches: 1 Maximum Hull Thickness Inches: 1-1/2 O.D. Flange Inches: 1-7/8 Model Number: 0322DP5PLB Ship Weight: 2.4/11.6 lbs. MADE IN THE USA Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 2"H x 2"W x 4"L WT: 0.25 lbs UPC: 085226035951

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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 Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedStandard Thread model has a full-length thread for thick hulls and easy tighteningSpecifications: Hose size: (inch) 1-1/8" inner diameter Flange Diameter: (inch) 2-1/4" Thread O.D. (outside diameter): (inch) 1-3/8"  Thread Length: (inch) 2-3/8" Barb Length: (inch) 1-1/4" Total Length: (inch) 3-7/8" Install Hole Saw Size: (inch) 1-1/4"  Thread NPSM: (inch) 1" Max Hull Thickness: (inch) 1-3/4" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/8" Material: Stainless Steel Box Dimensions: 2"H x 4"W x 7"L WT: 0.85 lbs UPC: 022697665492 Quick Guide (pdf)

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90-Degree Cockpit Scupper Drain - WhiteThis cockpit scupper drain is an affordable and durable solution for draining areas below the waterline. Made from high-strength, UV-stabilized polymer, it features a check ball for effective sealing against reverse water flow and an optional leaf guard to prevent clogging.This cockpit scupper drain provides an inexpensive alternative to items currently available for draining areas where the discharge is below the waterline. This injection-molded part is high-strength and UV-stabilized to provide value and durability. The check ball contained inside the cockpit scupper drain is molded and then ground smooth and round to provide better sealing against reverse water flow that occurs when backing the boat. The leaf guard model has raised ribs on the head to prevent debris (leaves, scales, etc.) from clogging holes.The overall diameter of the mounting flange is 3 9/16". The cockpit scupper drain requires a 2 1/2" diameter hole for installation and mounts with four (4) number 8 screws (not furnished). The top of the cockpit scupper drain is removable for cleaning. All outlets fit 1 1/2 inch drain hoses.Features: Check the ball inside to prevent water from backing up Made of high-strength, UV-stabilized polymer Removable top screen for easy cleaning An optional leaf guard prevents debris from clogging Fits standard 1-1/2" drain hoses Specifications: 90-Degree Outlet 1-1/2" Hose Diameter Color: White Specifications: Hose Size: 1-1/2" Material: Polymer Type: Fittings & Hoses Box Dimensions: 4"H x 6"W x 9"L WT: 0.35 lbs UPC: 733572034158

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Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.25 lbs UPC: 742985139015

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2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 6"L WT: 2 lbs UPC: 742985146501

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Stainless Steel Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.55 lbs UPC: 742985139022

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1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.35 lbs UPC: 742985064133

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2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 4"H x 4"W x 5"L WT: 2 lbs UPC: 742985005174

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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 drag Extra Long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT: 0.8 lbs UPC: 742985145702

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