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Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings

98 products

  • 15% off
    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...

    $59.99 USD $71.00 USD
    $59.99 USD
    $59.99 USD $71.00 USD
    32 in stock
  • 4% off
    GROCO

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

    3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with...

    $39.99 USD $42.00 USD
    $39.99 USD
    $39.99 USD $42.00 USD
    Only 2 units left
  • 13% off
    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"...

    $51.99 USD $60.00 USD
    $51.99 USD
    $51.99 USD $60.00 USD
    Only 6 units left
  • 20% off
    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:...

    $82.99 USD $104.00 USD
    $82.99 USD
    $82.99 USD $104.00 USD
    11 in stock
  • GROCO

    GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]

    3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2"...

    $25.99 USD $0.00 USD
    $25.99 USD
    $25.99 USD $0.00 USD
    Only 8 units left
  • 0% off
    GROCO

    GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]

    1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600...

    $34.99 USD $35.00 USD
    $34.99 USD
    $34.99 USD $35.00 USD
    Only 7 units left
  • 7% off
    GROCO

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications:...

    $39.99 USD $43.00 USD
    $39.99 USD
    $39.99 USD $43.00 USD
    Only 1 units left
  • 17% off
    Perko

    Perko 1-1/2" Thru-Hull Fitting f/Hose Plastic MADE IN THE USA [0328DP8]

    Perko 1-1/2" Thru-Hull Fitting for Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1-1/2 Mounting Hole Diameter...

    $17.99 USD $21.76 USD
    $17.99 USD
    $17.99 USD $21.76 USD
    12 in stock
  • 13% off
    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...

    $51.99 USD $60.00 USD
    $51.99 USD
    $51.99 USD $60.00 USD
    Only 10 units left
  • 19% off
    GROCO

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

    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...

    $76.99 USD $96.00 USD
    $76.99 USD
    $76.99 USD $96.00 USD
    Only 10 units left
  • 20% off
    GROCO

    GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S]

    1-1/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed...

    $86.99 USD $110.00 USD
    $86.99 USD
    $86.99 USD $110.00 USD
    Only 1 units left
  • 43% off
    Perko

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

    Perko 1" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1 Maximum Hull Thickness Inches: 2-1/2 Dimensions Strainer...

    $79.99 USD $141.26 USD
    $79.99 USD
    $79.99 USD $141.26 USD
    Only 8 units left
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