Thru-Hull Fittings
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Seachoice Thru Hull W/SS Cover-1 90 Deg 50-18551
Seachoice
$14.60 $12.22Seachoice Thru Hull W/SS Cover-1 90 Deg 50-18551 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.- Part Number:
- 50-18551
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-3/8"
$14.60 $12.22 -
Attwood Marine Thru Hull SS 1-1/2" 66551-3
Attwood Marine
$92.92 $52.01Attwood Marine Thru Hull SS 1-1/2" 66551-3 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:
- 23-665513
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/2"
- Flange:
- 3"
- Max Hull Thickness:
- 1-7/8"
$92.92 $52.01 -
GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut TH-1500-W
Groco
$78.00 $60.141-1/2" NPS NPT Combo Bronze Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP...- Part Number:
- 34-TH1500W
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 1 1/2"
- A:
- 3.15
- B:
- 0.3
- C:
- 2.89
$78.00 $60.14 -
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" HTH-750-S
Groco
$35.00 $25.683/4" Hose Barb Stainless Hose Thru Hull Features: NPS Thread With Hose Connection #316 Stainless Steel Sizes from 1/2" to 2" Barb UL Listed 647B- Part Number:
- 34-HTH750S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 3/4"
- Hose ID:
- 3/4"
- A:
- 2.7
- B:
- 0.3
- C:
- 1.9
- D:
- 1.2
- E:
- 1.3
$35.00 $25.68 -
Attwood Marine Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter 66547-3
Attwood Marine
$46.88 $24.44Attwood Marine Thru Hull SS 3/4" 66547-3 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:
- 23-665473
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-5/8"
$46.88 $24.44 -
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" HTH-1000-S
Groco
$41.00 $33.99Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B- Part Number:
- 34-HTH1000S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1"
- Hose ID:
- 1"
- A:
- 2.8
- B:
- 0.3
- C:
- 2.3
- D:
- 1.2
- E:
- 1.3
$41.00 $33.99 -
Groco 2-1/2" NPS NPT Combo Bronze Thru Hull Th-2500-W
Groco
$254.00 $176.852-1/2" 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) B- Part Number:
- 34-TH2500W
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 2 1/2"
- A:
- 3.56
- B:
- 0.42
- C:
- 4.4
$254.00 $176.85 -
GROCO 2" 90 Degree Hose Thru-Hull Fitting HTHC-2000-S
Groco
$197.00 $136.262" 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
$197.00 $136.26 -
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" HTH-625-S
Groco
$34.00 $27.99Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B- Part Number:
- 34-HTH625S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 3/4"
- Hose ID:
- 5/8"
$34.00 $27.99 -
Groco Thru Hull Flush with Nut 3/4" Fth-750-W
Groco
$28.00 $23.993/4" 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-FTH750W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 3/4"
- A:
- 2.31
- B:
- 0.3
- C:
- 2
$28.00 $23.99 -
Seachoice Thru-Hull-White Plas 1 1/8 18090
Seachoice
$7.99 $7.41Seachoice Thru-Hull-White Plas 1 1/8 18090 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterli- Part Number:
- 50-18090
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/8"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-1/4"
- Pkg.:
- Bulk
$7.99 $7.41 -
GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut HSTH-1000-W
Groco
$41.00 $29.991" 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...- Part Number:
- 34-HSTH1000W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1"
- A:
- 2.85
- B:
- 0.3
- C:
- 2.32
$41.00 $29.99 -
GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut TH-1000-WS
Groco
$60.00 $48.991" NPS NPT Combo Stainless Steel Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models...- Part Number:
- 34-TH1000WS
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1"
- A:
- 2.85
- B:
- 0.3
- C:
- 2.32
$60.00 $48.99 -
Sold Out, please call for ETA.
GROCO 3/4" 90 Degree Hose Thru-Hull Fitting HTHC-750-S
Groco
$54.00 $33.883/4" 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-HTHC750S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 3/4"
- Hose ID (in):
- 3/4"
- A:
- 2.71
- B:
- 0.3
- C:
- 1.9
- D:
- 2.25
- E:
- 1.25
$54.00 $33.88 -
Groco 1-1/4" BSPP Bronze Thru Hull Th-125-W
Groco
$61.00 $48.481-1/4" 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
$61.00 $48.48 -
Seachoice Double Ended Conn.-3/4 x 3/4 18201
Seachoice
$11.51 $10.99Seachoice Double Ended Conn.-3/4 x 3/4 18201 Designed to provide watertight transition through tanks or bulk headsLength: 4-3/4".- Part Number:
- 50-18201
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4" x 3/4"
- Max Hull Thickness:
- 1-1/4"
$11.51 $10.99 -
Sold Out, please call for ETA.
GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut THXL-1500-W
Groco
$90.00 $59.291-1/2" 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 availab- Part Number:
- 34-THXL1500W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/2"
- A:
- 5.45
- B:
- 0.3
- C:
- 2.89
$90.00 $59.29 -
Sold Out, please call for ETA.
GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut TH-500-W
Groco
$21.00 $14.031/2" NPS NPT Combo Bronze Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP...- Part Number:
- 34-TH500W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1/2"
- A:
- 2.2
- B:
- 0.3
- C:
- 1.7
$21.00 $14.03 -
Groco Thru Hull Flush with Nut 1-1/2" Fth-1500-W
Groco
$102.00 $62.051-1/2" 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-FTH1500W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/2"
- A:
- 3.5
- B:
- 0.3
- C:
- 3.2
$102.00 $62.05 -
Sea-Dog Line Thru-Hull Fitting 5/8" 520740-1
SEA-DOG LINE
$7.45Sea-Dog Line Thru-Hull Fitting 5/8" 520740-1Injection molded polypropylene.- Part Number:
- 354-5207401
- Availability:
- In Stock - Ships same or next business day.
- A:
- 1-3/4"
- B:
- 1/2"
- C:
- 1-11/16"
- D:
- 3-1/2"
- E:
- 1"
- F:
- 5/8"
$7.45