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Marine Plumbing & Ventilation - Thru-Hull Fittings

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    GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]

    GROCO
    $79.00
    $79.00 - $79.00
    $79.00
    $54.95
    $54.95 - $54.95
    $54.95

    1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

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    $79.00
    $79.00 - $79.00
    $79.00
    $54.95
    $54.95 - $54.95
    $54.95
    Save $24.05 Save $0.00
  • Save $2.24 Save $0.00

    Attwood White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter [3879-3]

    Attwood Marine
    $16.19
    $16.19 - $16.19
    $16.19
    $13.95
    $13.95 - $13.95
    $13.95

    White Plastic 90 Degree Thru-Hull Connector - 1-1/8" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow dra...

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    $16.19
    $16.19 - $16.19
    $16.19
    $13.95
    $13.95 - $13.95
    $13.95
    Save $2.24 Save $0.00
  • Save $27.05 Save $0.00

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

    GROCO
    $89.00
    $89.00 - $89.00
    $89.00
    $61.95
    $61.95 - $61.95
    $61.95

    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/...

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    $89.00
    $89.00 - $89.00
    $89.00
    $61.95
    $61.95 - $61.95
    $61.95
    Save $27.05 Save $0.00
  • Save $21.05 Save $0.00

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

    GROCO
    $70.00
    $70.00 - $70.00
    $70.00
    $48.95
    $48.95 - $48.95
    $48.95

    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" ...

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    $70.00
    $70.00 - $70.00
    $70.00
    $48.95
    $48.95 - $48.95
    $48.95
    Save $21.05 Save $0.00
  • Save $50.77 Save $0.00

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

    Perko
    $118.72
    $118.72 - $118.72
    $118.72
    $67.95
    $67.95 - $67.95
    $67.95

    Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck ...

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    $118.72
    $118.72 - $118.72
    $118.72
    $67.95
    $67.95 - $67.95
    $67.95
    Save $50.77 Save $0.00
  • Save $54.68 Save $0.00

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

    Perko
    $109.63
    $109.63 - $109.63
    $109.63
    $54.95
    $54.95 - $54.95
    $54.95

    Perko 3/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 3/4 Maximum Hull Thickness Inches: 2-3...

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    $109.63
    $109.63 - $109.63
    $109.63
    $54.95
    $54.95 - $54.95
    $54.95
    Save $54.68 Save $0.00
  • Save $19.05 Save $0.00

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

    GROCO
    $64.00
    $64.00 - $64.00
    $64.00
    $44.95
    $44.95 - $44.95
    $44.95

    1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Mat...

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    $64.00
    $64.00 - $64.00
    $64.00
    $44.95
    $44.95 - $44.95
    $44.95
    Save $19.05 Save $0.00
  • Save $29.05 Save $0.00

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

    GROCO
    $95.00
    $95.00 - $95.00
    $95.00
    $65.95
    $65.95 - $65.95
    $65.95

    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/...

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    $95.00
    $95.00 - $95.00
    $95.00
    $65.95
    $65.95 - $65.95
    $65.95
    Save $29.05 Save $0.00
  • Save $18.05 Save $0.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

    GROCO
    $62.00
    $62.00 - $62.00
    $62.00
    $43.95
    $43.95 - $43.95
    $43.95

    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...

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    $62.00
    $62.00 - $62.00
    $62.00
    $43.95
    $43.95 - $43.95
    $43.95
    Save $18.05 Save $0.00
  • Save $7.04 Save $0.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]

    Forespar Performance Products
    $19.99
    $19.99 - $19.99
    $19.99
    $12.95
    $12.95 - $12.95
    $12.95

    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 Specifi...

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    $19.99
    $19.99 - $19.99
    $19.99
    $12.95
    $12.95 - $12.95
    $12.95
    Save $7.04 Save $0.00
  • Save $16.05 Save $0.00

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

    GROCO
    $55.00
    $55.00 - $55.00
    $55.00
    $38.95
    $38.95 - $38.95
    $38.95

    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 A...

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    $55.00
    $55.00 - $55.00
    $55.00
    $38.95
    $38.95 - $38.95
    $38.95
    Save $16.05 Save $0.00
  • Save $5.79 Save $0.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]

    Attwood Marine
    $29.74
    $29.74 - $29.74
    $29.74
    $23.95
    $23.95 - $23.95
    $23.95

    Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why...

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    $29.74
    $29.74 - $29.74
    $29.74
    $23.95
    $23.95 - $23.95
    $23.95
    Save $5.79 Save $0.00
  • Save $103.80 Save $0.00

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

    Perko
    $181.75
    $181.75 - $181.75
    $181.75
    $77.95
    $77.95 - $77.95
    $77.95

    Perko 1-1/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1-1/4 Maximum Hull Thickness Inches:...

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    $181.75
    $181.75 - $181.75
    $181.75
    $77.95
    $77.95 - $77.95
    $77.95
    Save $103.80 Save $0.00
  • Save $16.91 Save $0.00

    Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]

    Perko
    $35.86
    $35.86 - $35.86
    $35.86
    $18.95
    $18.95 - $18.95
    $18.95

    Perko 3-1/2" X 2-1/2" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/8 & 1/2 Dimensions Str...

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    $35.86
    $35.86 - $35.86
    $35.86
    $18.95
    $18.95 - $18.95
    $18.95
    Save $16.91 Save $0.00
  • Save $1.91 Save $0.00

    Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]

    Perko
    $8.86
    $8.86 - $8.86
    $8.86
    $6.95
    $6.95 - $6.95
    $6.95

    3/4" Thru-Hull Fitting f/Hose - Plastic Narrow FlangeFeatures: Molded white Narrow Flange Specifications: Hose Size: 3/4" Mounting Hole Diameter: ...

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    $8.86
    $8.86 - $8.86
    $8.86
    $6.95
    $6.95 - $6.95
    $6.95
    Save $1.91 Save $0.00
  • Save $29.82 Save $0.00

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

    Perko
    $67.77
    $67.77 - $67.77
    $67.77
    $37.95
    $37.95 - $37.95
    $37.95

    Perko 3/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxi...

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    $67.77
    $67.77 - $67.77
    $67.77
    $37.95
    $37.95 - $37.95
    $37.95
    Save $29.82 Save $0.00
  • Save $3.81 Save $0.00

    Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]

    Perko
    $16.76
    $16.76 - $16.76
    $16.76
    $12.95
    $12.95 - $12.95
    $12.95

    1-1/8" Thru-Hull Fitting for Hose Narrow Flange - PlasticFeatures: Molded white Narrow Flange Specifications: Hose Size: 1-1/8" Mounting Hole Di...

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    $16.76
    $16.76 - $16.76
    $16.76
    $12.95
    $12.95 - $12.95
    $12.95
    Save $3.81 Save $0.00
  • Save $3.00 Save $0.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]

    Forespar Performance Products
    $17.95
    $17.95 - $17.95
    $17.95
    $14.95
    $14.95 - $14.95
    $14.95

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $17.95
    $17.95 - $17.95
    $17.95
    $14.95
    $14.95 - $14.95
    $14.95
    Save $3.00 Save $0.00
  • Save $180.00 Save $0.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]

    Forespar Performance Products
    $196.95
    $196.95 - $196.95
    $196.95
    $16.95
    $16.95 - $16.95
    $16.95

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $196.95
    $196.95 - $196.95
    $196.95
    $16.95
    $16.95 - $16.95
    $16.95
    Save $180.00 Save $0.00
  • Save $6.05 Save $0.00

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

    GROCO
    $22.00
    $22.00 - $22.00
    $22.00
    $15.95
    $15.95 - $15.95
    $15.95

    Bronze Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1/2" ...

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    $22.00
    $22.00 - $22.00
    $22.00
    $15.95
    $15.95 - $15.95
    $15.95
    Save $6.05 Save $0.00
  • Save $1.04 Save $0.00

    Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]

    Attwood Marine
    $10.99
    $10.99 - $10.99
    $10.99
    $9.95
    $9.95 - $9.95
    $9.95

    Plastic Thru-Hull Fitting - 1-1/2" - WhiteThese thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis.Caution...

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    $10.99
    $10.99 - $10.99
    $10.99
    $9.95
    $9.95 - $9.95
    $9.95
    Save $1.04 Save $0.00
  • Save $112.06 Save $0.00

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

    Perko
    $209.01
    $209.01 - $209.01
    $209.01
    $96.95
    $96.95 - $96.95
    $96.95

    Perko 2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approx...

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    $209.01
    $209.01 - $209.01
    $209.01
    $96.95
    $96.95 - $96.95
    $96.95
    Save $112.06 Save $0.00
  • Save $4.44 Save $0.00

    Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]

    Attwood Marine
    $30.39
    $30.39 - $30.39
    $30.39
    $25.95
    $25.95 - $25.95
    $25.95

    Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. ...

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    $30.39
    $30.39 - $30.39
    $30.39
    $25.95
    $25.95 - $25.95
    $25.95
    Save $4.44 Save $0.00
  • Save $6.21 Save $0.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3]

    Attwood Marine
    $35.16
    $35.16 - $35.16
    $35.16
    $28.95
    $28.95 - $28.95
    $28.95

    Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why s...

    View full details
    $35.16
    $35.16 - $35.16
    $35.16
    $28.95
    $28.95 - $28.95
    $28.95
    Save $6.21 Save $0.00