Marine Plumbing & Ventilation - Thru-Hull Fittings

Perko 2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8 inch from flange.Cast Bronze.Technical Information: Pipe Size Inches: 2 Mounting Hole Diameter Inches: 2-3/8 Maximum Hull Thickness Inches: 2-3/8 O.D. Flange Inches: 3-5/8 Model Number: 0322009PLB Ship Weight: 2.1/19.4 lbs. MADE IN THE USA Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 4"H x 5"W x 5"L WT: 2.05 lbs UPC: 085226112058

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Perko 5" X 3-1/4" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/4 & 1 Dimensions Strainer Inches: 5 X 3-1/4 Model Number: 0066DP2PLB Ship Weight: 4.4/4.3 lbs. Screw Size: #8

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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 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) 3/4" inner diameter Flange Diameter: (inch) 1-7/8" Thread O.D. (outside diameter): (inch) 1"  Thread Length: (inch) 2" Barb Length: (inch) 1-1/4" Total Length: (inch) 3-3/4" Install Hole Saw Size: (inch) 1-1/8"  Thread NPSM: (inch) 3/4" Max Hull Thickness: (inch) 1-5/8" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 3/4" Material: Stainless Steel Box Dimensions: 2"H x 3"W x 6"L WT: 0.6 lbs UPC: 022697665478 Quick Guide (pdf)

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3/4" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 0.45 lbs UPC: 742985141728

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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 thread C83600 Bronze UL listed 647B Includes nut  BSPP and stainless steel models are available Specifications:Thread NPS: 2-1/2" Specifications: Hose Size: 2-1/2" Material: Bronze Box Dimensions: 5"H x 5"W x 5"L WT: 3.2 lbs UPC: 742985064157

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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 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" inner diameter Flange Diameter: (inch) 2-1/4" Thread O.D. (outside diameter): (inch) 1-3/8"  Thread Length: (inch) 1-1/8" Barb Length: (inch) 1" Total Length: (inch) 2-1/2" Install Hole Saw Size: (inch) 1-1/2"  Thread NPSM: (inch) 1" Max Hull Thickness: (inch) 5/8" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1" Material: Stainless Steel Box Dimensions: 2"H x 3"W x 3"L WT: 0.6 lbs UPC: 022697665423 Quick Guide (pdf)

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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 thread C83600 Bronze UL listed 647B Includes nut  BSPP and stainless steel models are available Specifications:Thread NPS: 3" Specifications: Hose Size: 3" Material: Bronze Box Dimensions: 5"H x 6"W x 6"L WT: 4.8 lbs UPC: 742985064164

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1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 1/2" Specifications: Hose Size: 1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 0.8 lbs UPC: 742985063884

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Perko 1" 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 brass Regular or short length versions Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumTechnical Information Regular Length - Plain Bronze: Hose Size Inches: 1 Mounting Hole Diameter Inches: 1-5/16" Maximum Hull Thickness Inches: 1-3/4" O.D. Flange Inches: 2-1/4" Model Number: 0350006DPP Ship Weight: 4.7/8.6 lbs. Made in the USA Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.85 lbs UPC: 085226036101

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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 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" inner diameter Flange Diameter: (inch) 2-1/4" Thread O.D. (outside diameter): (inch) 1-3/8"  Thread Length: (inch) 2-1/4" Barb Length: (inch) 1-1/4" Total Length: (inch) 3-7/8" Install Hole Saw Size: (inch) 1-1/2"  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" Material: Stainless Steel Box Dimensions: 3"H x 4"W x 7"L WT: 0.8 lbs UPC: 022697665485 Quick Guide (pdf)

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Perko 8" x 5-1/8" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/8 & 1/2 Dimensions Strainer Inches: 3-1/2 X 2-1/2 Model Number: 0066DP1PLB Ship Weight: 2.0/1.8 lbs. Screw Size: #8

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2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 7"L WT: 2.6 lbs UPC: 742985175198

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