Thru-Hull Fittings
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Groco 3 Inthru-Hull With Nut Th-3000-W
Groco
$299.00 $217.133" NPS NPT Combo Bronze Thru Hull Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available- Part Number:
- 34-TH3000W
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 3"
- A:
- 4
- B:
- 0.42
- C:
- 5.5
$299.00 $217.13 -
Groco 1-1/4" BSPP Bronze Thru Hull Th-125-W
Groco
$55.00 $42.231-1/4" 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-TH125W
- Availability:
- In Stock - Ships same or next business day.
- Thread BSPP:
- 1-1/4"
- A:
- 73.7
- B:
- 7.62
- C:
- 66.55
$55.00 $42.23 -
GROCO 2" 90 Degree Hose Thru-Hull Fitting HTHC-2000-S
Groco
$170.00 $121.232" Hose Barb Stainless Curved Hose Thru Hull Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection Sizes from 3/4" to 1-3/4" Barb UL Listed 647B- Part Number:
- 34-HTHC2000S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 2"
- Hose ID:
- 1-3/4"
- A:
- 5.4
- B:
- 0.3
- C:
- 3.33
- D:
- 3.65
- E:
- 1.25
$170.00 $121.23 -
Attwood Marine Thru-Hull Con. 90 Deg 3/4" Wh 38773
Attwood Marine
$17.85Attwood Marine Thru-Hull Con. 90 Deg 3/4" Wh 38773Molded of rugged plastic. Will not rust, corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. White.- Part Number:
- 23-38773
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4"
- Flange:
- 1-1/2"
- Max Hull Thickness:
- 1"
- Pkg.:
- Card
$17.85 -
GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut THXL-1000-W
Groco
$50.00 $36.061" 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-THXL1000W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1"
- A:
- 5.33
- B:
- 0.3
- C:
- 2.32
$50.00 $36.06 -
GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting HTHC-1500-S
Groco
$186.00 $129.221-1/2" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B- Part Number:
- 34-HTHC1500S
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/2" I.D.
- Pipe:
- 1-1/2" NPT
- Flange:
- 2.89"
$186.00 $129.22 -
Perko 3/4 Bronze Thru Hull with Nut 0322Dp5Plb
Perko
$42.99 $26.98Perko 3/4 Bronze Thru Hull with Nut 0322Dp5PlbCast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed.- Part Number:
- 9-0322DP5PLB
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-1/2"
$42.99 $26.98 -
Sea-Dog Line Thru Hull-1-1/8 520770
SEA-DOG LINE
$7.25Sea-Dog Line Thru Hull-1-1/8 520770Injection molded polypropylene.- Part Number:
- 354-520770
- Availability:
- In Stock - Ships same or next business day.
- A:
- 2-3/16"
- B:
- 15/16"
- C:
- 1-3/4"
- D:
- 3-9/16"
- E:
- 1-3/8"
- F:
- 1-1/8" - 1-1/4"
$7.25 -
Seachoice Thru Hull W/SS Cover-3/4 90Dg 50-18541
Seachoice
$11.49 $10.71Seachoice Thru Hull W/SS Cover-3/4 90Dg 50-18541 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.- Part Number:
- 50-18541
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-3/8"
$11.49 $10.71 -
Seachoice Thru Hull W/SS Cover-3/4 Strt 50-18441
Seachoice
$12.99 $10.09Seachoice Thru Hull W/SS Cover-3/4 Strt 50-18441 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.- Part Number:
- 50-18441
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-3/8"
$12.99 $10.09 -
Attwood Marine Thru Hull SS 1-1/4" 66550-3
Attwood Marine
$71.79 $49.77Attwood Marine Thru Hull SS 1-1/4" 66550-3Cast 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 above the water line only. Lifetime warranty.- Part Number:
- 23-665503
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/4"
- Flange:
- 2-3/4"
- Max Hull Thickness:
- 1-7/8"
$71.79 $49.77 -
GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut HSTH-1500-W
Groco
$83.00 $55.681-1/2" NPS NPT Combo High Speed Pickup Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 3" Available with or without nut BSPP models...- Part Number:
- 34-HSTH1500W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/2"
- A:
- 3.15
- B:
- 0.3
- C:
- 2.89
$83.00 $55.68 -
Groco Thru Hull Flush with Nut 1" Fth-1000-W
Groco
$33.00 $25.281" 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 without nut- 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
$33.00 $25.28 -
Perko 3/4 Thru Hull Connection Bulk 0328Dp5
Perko
$5.79 $5.38Perko 3/4 Thru Hull Connection Bulk 0328Dp5Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed- Part Number:
- 9-0328DP5
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4"
- Flange:
- 1-7/8" OD
- Max Hull Thickness:
- 1-7/16"
$5.79 $5.38 -
Seachoice Thru Hull Conn-White Plas-1 1/8 50-18091
Seachoice
$7.99 $7.18Seachoice Thru Hull Conn-White Plas-1 1/8 50-18091 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.- Part Number:
- 50-18091
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/8"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-1/4"
$7.99 $7.18 -
Seachoice Thru Hull W/SS Cover-1 Strat 50-18451
Seachoice
$13.99 $10.86Seachoice Thru Hull W/SS Cover-1 Strat 50-18451 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.- Part Number:
- 50-18451
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-3/8"
$13.99 $10.86 -
Seachoice Thru-Hull Conn-White Plas-1 Nut 50-18141
Seachoice
$12.49 $11.56Seachoice Thru-Hull Conn-White Plas-1 Nut 50-18141 One nut applicationDesigned for use with one back nut, unlike old style 90°, thru-hull with both front and back nutMade of hi-impact white plasticDesigned for easier application where hose is...- Part Number:
- 50-18141
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/8"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-1/8"
$12.49 $11.56 -
Attwood Marine Thru Hull SS 5/8" 66546-3
Attwood Marine
$37.89 $26.26Attwood Marine Thru Hull SS 5/8" 66546-3Cast 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 above the water line only. Lifetime warranty.- 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"
$37.89 $26.26 -
Attwood Marine Thru-Hull 1 1/8" 3874-3
Attwood Marine
$11.39 $8.78Attwood Marine Thru-Hull 1 1/8" 3874-3Molded of rugged plastic. Will not rust, corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. White.- Part Number:
- 23-38743
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/8" - 1-1/4"
- Flange:
- 2-1/4"
- Max Hull Thickness:
- 1-1/4"
- Pkg.:
- Card
$11.39 $8.78 -
GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut HSTH-1250-W
Groco
$60.00 $40.961-1/4" NPS NPT Combo High Speed Pickup Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 3" Available with or without nut BSPP models...- Part Number:
- 34-HSTH1250W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/4"
- A:
- 2.9
- B:
- 0.3
- C:
- 2.62
$60.00 $40.96