Marine Plumbing & Ventilation - Thru-Hull Fittings

98 products


  • Sale -36% GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

    GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

    2" 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: 2" Material: Bronze Box Dimensions: 4"H x 4"W x 5"L WT: 1.7 lbs UPC: 742985142909

    $97.00$62.50

  • Sale -13% GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

    Bronze Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 0.45 lbs UPC: 742985004900

    $20.00$17.50

  • Sale -56% Perko 5/8" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350004DPP]

    Perko 5/8" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350004DPP]

    Perko 5/8" 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: 5/8 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/16 O.D. Flange Inches: 1-1/2 Model Number: 0350004DPP Ship Weight: 1.9/3.0 lbs. Made in the USA Specifications: Hose Size: 5/8" Material: Bronze Box Dimensions: 1"H x 1"W x 4"L WT: 0.15 lbs UPC: 085226036064

    $62.46$27.50

  • Sale -51% Perko 3/4" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]

    Perko 3/4" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]

    Perko 3/4" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange 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 - Chrome Plated Bronze: Hose Size Inches: 1/4" Mounting Hole Diameter Inches: 1" Maximum Hull Thickness Inches: 1-5/8" O.D. Flange Inches: 1-7/8" Model Number: 0350005DPC Ship Weight: 2.9/5.6 lbs. Made in the USA Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 2"H x 2"W x 4"L WT: 0.2 lbs UPC: 085226028458

    $82.67$40.50

  • Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]

    Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]

    Perko 5/8" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 5/8 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/4 O.D. Flange Inches: 1-1/2 Model Number: 0328DP4A Ship Weight: 1.0/6.1 lbs. MADE IN THE USA Specifications: Hose Size: 5/8" Material: Plastic Box Dimensions: 1"H x 1"W x 3"L WT: 0.1 lbs UPC: 085226000065

    $8.50

  • Sale -33% GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]

    GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]

    1-1/4" 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: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.05 lbs UPC: 742985143128

    $60.00$40.50

  • Sale -47% Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]

    Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]

    Perko 1-1/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck is threaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versons Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumRegular Length - Plain Bronze Technical Information: Hose Size Inches: 1-1/8 Mounting Hole Diameter Inches: 1-5/16 Maximum Hull Thickness Inches: 1-3/4 O.D. Flange Inches: 2-1/4 Model Number: 035006ADPP Ship Weight: 4.7/9.0 lbs. Made in the USA Specifications: Hose Size: 1-1/8" Material: Bronze Box Dimensions: 2"H x 2"W x 5"L WT: 0.85 lbs UPC: 085226036125

    $88.08$46.50

  • Sale -34% GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

    GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

    1-1/4" 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: 1-1/4" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.25 lbs UPC: 742985146488

    $67.00$44.50

  • Sale -35% GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]

    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 x 3"W x 4"L WT: 1.35 lbs UPC: 742985064133

    $71.00$46.50

  • Sale -32% GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]

    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 x 3"W x 4"L WT: 1.15 lbs UPC: 742985064126

    $55.00$37.50

  • Sale -62% Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

    Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

    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

    $209.01$79.50

  • Sale -53% Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

    Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

    Perko 1" 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 Mouting Hole Diameter Inches: 1-5/16 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 2-3/16 Model Number: 0322DP6PLB Ship Weight: 4.1/18.0 lbs. MADE IN THE USA Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.75 lbs UPC: 085226035968

    $87.56$41.50

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