Marine Plumbing & Ventilation - Thru-Hull Fittings

106 products


  • Sale -43%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

    $123.00$69.50

  • Sale -35% GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

    GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

    6 in stock

    1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT: 1.8 lbs UPC: 742985141766

    6 in stock

    $84.00$54.50

  • Sale -34% GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

    GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

    6 in stock

    1-1/2" 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: Material: Stainless Steel Hose Size: 1-1/2" Box Dimensions: 5"H x 5"W x 5"L WT: 1.45 lbs UPC: 742985146495

    6 in stock

    $70.00$46.50

  • Sale -55% Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]

    Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]

    7 in stock

    Perko 1" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1 Maximum Hull Thickness Inches: 2-1/2 Dimensions Strainer Inches: 3 x 4 Model Number: 0065DP6PLB Ship Weight: 6.4/12.4 Screw Size: #8 Spare Flanged Nut: 0075 Specifications: Material: Bronze Hose Size: 1" Box Dimensions: 3"H x 5"W x 5"L WT: 1.45 lbs UPC: 085226342264

    7 in stock

    $141.26$63.50

  • Sale -36% GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]

    GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]

    7 in stock

    1-1/2" 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: 1-1/2" Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 5"H x 6"W x 7"L WT: 2.2 lbs UPC: 742985063921

    7 in stock

    $96.00$61.50

  • Sale -46%Last stock! Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

    Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

    5 in stock

    Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck is threaded to approximately 3/8 inch from flange.Material:Cast Bronze Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 2"H x 2"W x 6"L WT: 0.8 lbs UPC: 085226342370

    5 in stock

    $118.72$64.50

  • Sale -50% Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

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

    15 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: 1.1 lbs UPC: 085226031700

    15 in stock

    $109.63$54.50

  • Sale -35% GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

    GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

    11 in stock

    1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 7"L WT: 1.65 lbs UPC: 742985141773

    11 in stock

    $90.00$58.50

  • Sale -34% 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]

    7 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: 5"H x 6"W x 7"L WT: 1.15 lbs UPC: 742985175174

    7 in stock

    $64.00$42.50

  • Sale -25% GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]

    15 in stock

    Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 5/8" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs UPC: 742985138971

    15 in stock

    $34.00$25.50

  • 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]

    21 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: 1"H x 2"W x 6"L WT: 0.08 lbs UPC: 085226034121

    21 in stock

    $8.50

  • Sale -44% GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]

    GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]

    7 in stock

    2" 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: 2" Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 5"H x 6"W x 7"L WT: 3.3 lbs UPC: 742985101739

    7 in stock

    $166.00$93.50

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