Marine Plumbing & Ventilation - Thru-Hull Fittings

105 products


  • Sale -17% GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]

    GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]

    16 in stock

    Bronze Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.52 lbs UPC: 742985005211

    16 in stock

    $38.00$31.50

  • Sale -51%Last stock! Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]

    Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]

    5 in stock

    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 Specifications: Material: Bronze Hose Size: 1-1/4" Box Dimensions: 3"H x 5"W x 5"L WT: 1.71 lbs UPC: 085226342271

    5 in stock

    $181.75$88.50

  • Sale -27%Last stock! GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]

    GROCO 1-1/2" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1500-W]

    4 in stock

    1-1/2" Slotted Hi Speed Thru-Hull with NutFeatures: 1-1/2" NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.2 lbs UPC: 742985193673

    4 in stock

    $149.00$108.50

  • Sale -15% GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

    GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

    18 in stock

    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 x 3"W x 4"L WT: 0.77 lbs UPC: 742985064119

    18 in stock

    $37.00$31.50

  • Sale -16% GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

    GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

    9 in stock

    1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Material: Stainless Steel Hose Size: 1" Box Dimensions: 3"H x 3"W x 6"L WT: 1.04 lbs UPC: 742985175174

    9 in stock

    $66.00$55.50

  • Sale -16% GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]

    GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]

    11 in stock

    1-1/4" 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: 1-1/4" Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 4"H x 4"W x 5"L WT: 1.84 lbs UPC: 742985063914

    11 in stock

    $97.00$81.50

  • Sale -27%Last stock! GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]

    GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]

    5 in stock

    1-1/4" Slotted Hi Speed Thru-Hull with NutFeatures: 1-1/4" NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.1 lbs UPC: 742985193666

    5 in stock

    $117.00$85.50

  • Sale -2% GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]

    GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]

    25 in stock

    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

    25 in stock

    $26.00$25.50

  • Sale -15%Last stock! GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]

    GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]

    5 in stock

    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: 4"H x 4"W x 5"L WT: 1.22 lbs UPC: 742985063891

    5 in stock

    $49.00$41.50

  • Sale -51%Last stock! Perko 1-1/2" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [0350008DPC]

    Perko 1-1/2" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [0350008DPC]

    4 in stock

    Perko 1-1/2" Thru-Hull Connection f/ use with Hose Chrome Plated 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 - Chrome Plated Bronze: Hose Size Inches: 1-1/2 Mounting Hole Diameter Inches: 1-7/8 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 3-1/8 Model Number: 0350008DPC Ship Weight: 8.2/16.1 lbs. Made in the USA Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 7"L WT: 1.58 lbs UPC: 085226036156

    4 in stock

    $189.93$92.50

  • Sale -36%Last stock! Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

    Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

    3 in stock

    Perko 3/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 3/4 Maximum Hull Thickness Inches: 2-3/16 Dimensions Strainer Inches: 3 x 4 Model Number: 0065DP5PLB Ship Weight: 5.2/10.6 Screw Size: #8 Spare Flanged Nut: 0075 Specifications: Material: Bronze Hose Size: 3/4" Box Dimensions: 3"H x 4"W x 4"L WT: 1.04 lbs UPC: 085226031700

    3 in stock

    $109.63$70.50

  • Sale -27%Last stock! Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]

    Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]

    2 in stock

    Perko 1/2" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1/2 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/4 O.D. Flange Inches: 1-1/2 Model Number: 0328DP4 Ship Weight: 1.0/5.8 lbs. MADE IN THE USA Specifications: Hose Size: 1/2" Material: Plastic Box Dimensions: 2"H x 2"W x 6"L WT: 0.07 lbs UPC: 085226034121

    2 in stock

    $7.57$5.50

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