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Marine Plumbing & Ventilation - Thru-Hull Fittings

Rugged thru-hull fittings for secure water intake and discharge connections.

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  • GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]
    GROCO
    GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]
    3/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 3/4" Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 5"H x 5"W x 5"L WT: 1.15 lbs UPC: 742985063891
    $34.99
    $34.99
  • GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]
    GROCO
    GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]
    1" 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: 1" Material: Stainless Steel Box Dimensions: 3"H x 3"W x...
    $46.99
    $46.99
  • GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting [HTHC-1500-S]
    GROCO
    GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting [HTHC-1500-S]
    1-1/2" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 6"L WT: 2.2 lbs UPC: 742985139312
    $137.99
    $191.00
    $137.99
  • GROCO 1" Bronze Combo Scoop Thru-Hull w/Nut [STH-1000-W]
    GROCO
    GROCO 1" Bronze Combo Scoop Thru-Hull w/Nut [STH-1000-W]
    1" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 1" Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 5"H x 5"W x 5"L WT: 1.2 lbs UPC: 742985063907
    $46.99
    $60.00
    $46.99
  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]
    GROCO
    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]
    Bronze Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.05 lbs UPC: 742985005235
    $45.99
    $45.99
  • GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]
    GROCO
    GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]
    3/4" 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: 3/4" Material: Bronze Box Dimensions: 3"H...
    $19.99
    $19.99
  • GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]
    GROCO
    GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]
    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...
    $55.99
    $55.99
  • Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]
    Forespar Performance Products
    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]
    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: Plastic Box Dimensions: 2"H x 2"W x 3"L WT: 0.02 lbs Brochure (pdf)
    $15.99
    $15.99
  • Perko 1-1/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6A]
    Perko
    Perko 1-1/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6A]
    Perko 1-⅛" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1-1/8 Mounting Hole Diameter Inches: 1-1/2 Maximum Hull Thickness Inches: 1-1/2 O.D. Flange Inches: 2-1/4 Model Number: 0328DP6A Ship Weight: 2.0/7.0 lbs. MADE IN THE USA Specifications: Hose...
    $5.99
    $5.99
  • GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]
    GROCO
    GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]
    1-1/4" 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: 1-1/4" Material: Bronze Box Dimensions: 3"H...
    $42.99
    $55.00
    $42.99
  • Perko 3/4" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP5]
    Perko
    Perko 3/4" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP5]
    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...
    $4.99
    $4.99
  • Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]
    Attwood Marine
    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]
    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 Construction: Cast from certified Enhanced 316 Stainless Steel alloy for...
    $28.99
    $29.74
    $28.99
  • Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]
    Perko
    Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]
    Perko 1-1/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1-1/4 Maximum Hull Thickness Inches: 3 Dimensions Strainer Inches: 3-1/4 x 4-1/4 Model Number: 0065DP7PLB Ship Weight: 9.3/17.4 Screw Size: #8 Spare Flanged Nut: 0075
    $83.99
    $83.99
  • Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]
    Perko
    Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]
    Perko 3-1/2" X 2-1/2" 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
    $22.99
    $22.99
  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]
    GROCO
    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]
    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
    $77.99
    $104.00
    $77.99
  • Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]
    Perko
    Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]
    3/4" Thru-Hull Fitting f/Hose - Plastic Narrow FlangeFeatures: Molded white Narrow Flange Specifications: 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: Plastic Box Dimensions: 2"H x 2"W x 6"L WT: 0.2 lbs UPC:...
    $7.99
    $7.99
  • Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]
    Perko
    Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]
    Perko 3/4" 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...
    $41.99
    $67.77
    $41.99
  • GROCO 3/4" 90 Degree Hose Thru-Hull Fitting [HTHC-750-S]
    GROCO
    GROCO 3/4" 90 Degree Hose Thru-Hull Fitting [HTHC-750-S]
    3/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specifications: Material: Stainless Steel Hose Size: 3/4" Box Dimensions: 3"H x 3"W x 5"L WT: 0.75 lbs UPC: 742985139282
    $42.99
    $55.00
    $42.99
  • GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]
    GROCO
    GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]
    1" 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" Material: Bronze Box Dimensions: 3"H...
    $27.99
    $27.99
  • Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]
    Perko
    Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]
    Perko 1/2" 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: 1/2 Mouting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-3/8 O.D....
    $33.99
    $51.96
    $33.99

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