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Thru-Hull Fittings

Thru-Hull Fittings

  • Groco 1" BSPP Bronze Thru Hull Th-100-W

    Groco 1" BSPP Bronze Thru Hull Th-100-W

    Groco

    $37.00 $31.83
    1" BSPP Bronze Thru Hull Features: British Standard Pipe Parallel (BSPP) Thread C83600 Bronze Sizes from 1/2" to 4" UL Listed 647B Available with or without nut
    Part Number:
    34-TH100W
    Availability:
    In Stock - Ships same or next business day.
    Thread BSPP:
    1"
    A:
    72.4
    B:
    7.62
    C:
    58.93
    $37.00 $31.83
  • Groco 3/4" BSPP Bronze Thru Hull Th-75-W

    Groco 3/4" BSPP Bronze Thru Hull Th-75-W

    Groco

    $25.00 $24.13
    3/4" BSPP Bronze Thru Hull Features: British Standard Pipe Parallel (BSPP) Thread C83600 Bronze Sizes from 1/2" to 4" UL Listed 647B Available with or without nut
    Part Number:
    34-TH75W
    Availability:
    In Stock - Ships same or next business day.
    Thread BSPP:
    3/4"
    A:
    55.9
    B:
    7.62
    C:
    48.26
    $25.00 $24.13
  • 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

    Groco

    $101.00 $80.47
    1-1/4" NPS NPT Combo XL Bronze Thru Hull Features: Extra long NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 2" Available with or without nut Stainless Steel models available
    Part Number:
    34-THXL1250W
    Availability:
    In Stock - Ships same or next business day.
    Thread NPS:
    1-1/4"
    A:
    5.45
    B:
    0.3
    C:
    2.62
    $101.00 $80.47
  • Attwood Marine Thru Hull SS 1" 66548-3

    Attwood Marine Thru Hull SS 1" 66548-3

    Attwood Marine

    $54.37 $28.62
    Attwood Marine Thru Hull SS 1" 66548-3 Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation...
    Part Number:
    23-665483
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1"
    Flange:
    2-1/4"
    Max Hull Thickness:
    1-3/4"
    $54.37 $28.62
  • Groco Thru Hull Flush with Nut 1" Fth-1000-W

    Groco Thru Hull Flush with Nut 1" Fth-1000-W

    Groco

    $45.00 $36.99
    1" NPS NPT Combo Flush Thru Hull Features: Machined flat face for flush mount or dripless applications NPSM / NPT combination thread C84400 Bronze Sizes from 1/2" to 5" Available with or...
    Part Number:
    34-FTH1000W
    Availability:
    In Stock - Ships same or next business day.
    Thread NPS:
    1"
    A:
    2.56
    B:
    0.3
    C:
    2.32
    $45.00 $36.99
  • Attwood Marine Thru Hull SS 1-1/8" Short 66543-3

    Attwood Marine Thru Hull SS 1-1/8" Short 66543-3

    Attwood Marine

    $64.83 $33.99
    Attwood Marine Thru Hull SS 1-1/8" Short 66543-3 Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for...
    Part Number:
    23-665433
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1-1/8"
    Flange:
    2-1/4"
    Max Hull Thickness:
    5/8"
    $64.83 $33.99
  • Seachoice Marine Boat Thru Hull W/SS Cover-1 1/4 St 18471

    Seachoice Marine Boat Thru Hull W/SS Cover-1 1/4 St 18471

    Seachoice

    $16.70 $15.87
    Seachoice Thru Hull W/SS Cover-1 1/4 St 50-18471 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.
    Part Number:
    50-18471
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1-1/4"
    Flange:
    2-3/8"
    Max Hull Thickness:
    1-3/8"
    $16.70 $15.87
  • Seachoice Thru-Hull Conn-Chrome-3/4 17941

    Seachoice Thru-Hull Conn-Chrome-3/4 17941

    Seachoice

    $11.11 $9.83
    Seachoice Thru-Hull Conn-Chrome-3/4 17941 Chrome plated molded plasticUse in place of stainless steel thru-hullsNot recommended for use below the waterline.
    Part Number:
    50-17941
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-1/2"
    Max Hull Thickness:
    1-1/4"
    $11.11 $9.83
  • Attwood Marine Thru Hull SS 5/8" 66546-3

    Attwood Marine Thru Hull SS 5/8" 66546-3

    Attwood Marine

    $43.39 $26.99
    Attwood Marine Thru Hull SS 5/8" 66546-3 Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation...
    Part Number:
    23-665463
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    5/8"
    Flange:
    1-7/8"
    Max Hull Thickness:
    1-1/16"
    $43.39 $26.99
  • GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut THXL-2000-W

    GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut THXL-2000-W

    Groco

    $149.00 $115.05
    2" NPS NPT Combo XL Bronze Thru Hull Features: Extra long NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 2" Available with or without nut Stainless Steel models available
    Part Number:
    34-THXL2000W
    Availability:
    In Stock - Ships same or next business day.
    Thread NPS:
    2"
    A:
    5.58
    B:
    0.3
    C:
    3.34
    $149.00 $115.05
  • Attwood Marine Thru Hull SS 3/4" Short 66541-3

    Attwood Marine Thru Hull SS 3/4" Short 66541-3

    Attwood Marine

    $45.08 $23.99
    Attwood Marine Thru Hull SS 3/4" Short 66541-3 Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for...
    Part Number:
    23-665413
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-7/8"
    Max Hull Thickness:
    5/8"
    $45.08 $23.99