Skip to content

Marine Plumbing & Ventilation - Thru-Hull Fittings

Filters

  • 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/...

    View full details
    $95.00
    $95.00 - $95.00
    $95.00
    $65.95
    $65.95 - $65.95
    $65.95
    Save $29.05 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...

    View full details
    $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 High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]

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

    1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / N...

    View full details
    $95.00
    $95.00 - $95.00
    $95.00
    $65.95
    $65.95 - $65.95
    $65.95
    Save $29.05 Save $0.00
  • Save $21.05 Save $0.00

    GROCO 1" 90 Degree Hose Thru-Hull Fitting [HTHC-1000-S]

    GROCO
    $69.00
    $69.00 - $69.00
    $69.00
    $47.95
    $47.95 - $47.95
    $47.95

    1" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specificat...

    View full details
    $69.00
    $69.00 - $69.00
    $69.00
    $47.95
    $47.95 - $47.95
    $47.95
    Save $21.05 Save $0.00
  • Save $23.05 Save $0.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]

    GROCO
    $77.00
    $77.00 - $77.00
    $77.00
    $53.95
    $53.95 - $53.95
    $53.95

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

    View full details
    $77.00
    $77.00 - $77.00
    $77.00
    $53.95
    $53.95 - $53.95
    $53.95
    Save $23.05 Save $0.00
  • Save $12.05 Save $0.00

    GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

    GROCO
    $41.00
    $41.00 - $41.00
    $41.00
    $28.95
    $28.95 - $28.95
    $28.95

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

    View full details
    $41.00
    $41.00 - $41.00
    $41.00
    $28.95
    $28.95 - $28.95
    $28.95
    Save $12.05 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" ...

    View full details
    $70.00
    $70.00 - $70.00
    $70.00
    $48.95
    $48.95 - $48.95
    $48.95
    Save $21.05 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...

    View full details
    $55.00
    $55.00 - $55.00
    $55.00
    $38.95
    $38.95 - $38.95
    $38.95
    Save $16.05 Save $0.00
  • Save $6.05 Save $0.00

    GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

    GROCO
    $21.00
    $21.00 - $21.00
    $21.00
    $14.95
    $14.95 - $14.95
    $14.95

    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 Ava...

    View full details
    $21.00
    $21.00 - $21.00
    $21.00
    $14.95
    $14.95 - $14.95
    $14.95
    Save $6.05 Save $0.00
  • Save $20.14 Save $0.00

    Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]

    Perko
    $60.09
    $60.09 - $60.09
    $60.09
    $39.95
    $39.95 - $39.95
    $39.95

    Thru-Hull Scupper for Mounting Through TransomFeatures: Molded White Polymer Soft Black Flapper Nut and Mounting Hardware Included Specifications:...

    View full details
    $60.09
    $60.09 - $60.09
    $60.09
    $39.95
    $39.95 - $39.95
    $39.95
    Save $20.14 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...

    View full details
    $10.99
    $10.99 - $10.99
    $10.99
    $9.95
    $9.95 - $9.95
    $9.95
    Save $1.04 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: ...

    View full details
    $8.86
    $8.86 - $8.86
    $8.86
    $6.95
    $6.95 - $6.95
    $6.95
    Save $1.91 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...

    View full details
    $16.76
    $16.76 - $16.76
    $16.76
    $12.95
    $12.95 - $12.95
    $12.95
    Save $3.81 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 ...

    View full details
    $118.72
    $118.72 - $118.72
    $118.72
    $67.95
    $67.95 - $67.95
    $67.95
    Save $50.77 Save $0.00
  • Save $75.93 Save $0.00

    Perko 1-1/4" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350007DPP]

    Perko
    $133.88
    $133.88 - $133.88
    $133.88
    $57.95
    $57.95 - $57.95
    $57.95

    Perko 1-1/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to appro...

    View full details
    $133.88
    $133.88 - $133.88
    $133.88
    $57.95
    $57.95 - $57.95
    $57.95
    Save $75.93 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...

    View full details
    $35.86
    $35.86 - $35.86
    $35.86
    $18.95
    $18.95 - $18.95
    $18.95
    Save $16.91 Save $0.00
  • Save $39.13 Save $0.00

    Perko 1" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350006DPP]

    Perko
    $88.08
    $88.08 - $88.08
    $88.08
    $48.95
    $48.95 - $48.95
    $48.95

    Perko 1" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxima...

    View full details
    $88.08
    $88.08 - $88.08
    $88.08
    $48.95
    $48.95 - $48.95
    $48.95
    Save $39.13 Save $0.00
  • Save $58.37 Save $0.00

    Perko 1" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350006DPC]

    Perko
    $113.32
    $113.32 - $113.32
    $113.32
    $54.95
    $54.95 - $54.95
    $54.95

    Perko 1" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded...

    View full details
    $113.32
    $113.32 - $113.32
    $113.32
    $54.95
    $54.95 - $54.95
    $54.95
    Save $58.37 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...

    View full details
    $209.01
    $209.01 - $209.01
    $209.01
    $96.95
    $96.95 - $96.95
    $96.95
    Save $112.06 Save $0.00
  • Save $36.51 Save $0.00

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

    Perko
    $62.46
    $62.46 - $62.46
    $62.46
    $25.95
    $25.95 - $25.95
    $25.95

    Perko 5/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxi...

    View full details
    $62.46
    $62.46 - $62.46
    $62.46
    $25.95
    $25.95 - $25.95
    $25.95
    Save $36.51 Save $0.00
  • Save $82.44 Save $0.00

    Perko 1-1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP8PLB]

    Perko
    $160.39
    $160.39 - $160.39
    $160.39
    $77.95
    $77.95 - $77.95
    $77.95

    Perko 1-1/2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to ap...

    View full details
    $160.39
    $160.39 - $160.39
    $160.39
    $77.95
    $77.95 - $77.95
    $77.95
    Save $82.44 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...

    View full details
    $67.77
    $67.77 - $67.77
    $67.77
    $37.95
    $37.95 - $37.95
    $37.95
    Save $29.82 Save $0.00
  • Save $39.44 Save $0.00

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

    Perko
    $66.39
    $66.39 - $66.39
    $66.39
    $26.95
    $26.95 - $26.95
    $26.95

    Perko 5/8" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthread...

    View full details
    $66.39
    $66.39 - $66.39
    $66.39
    $26.95
    $26.95 - $26.95
    $26.95
    Save $39.44 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:...

    View full details
    $181.75
    $181.75 - $181.75
    $181.75
    $77.95
    $77.95 - $77.95
    $77.95
    Save $103.80 Save $0.00