Thru-Hull Fittings
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GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut TH-1500-WS
Groco
$70.00 $53.751-1/2" 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-TH1500WS
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/2"
- A:
- 3.15
- B:
- 0.3
- C:
- 2.89
$70.00 $53.75 -
Groco 3/4" BSPP Bronze Thru Hull Th-75-W
Groco
$25.00 $19.253/4" 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 $19.25 -
Sold Out, please call for ETA.
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" HTH-1500-S
Groco
$84.00 $55.661-1/2" 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-HTH1500S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/2"
- Hose ID:
- 1-1/2" NPS
- A:
- 2.8
- B:
- 0.3
- C:
- 2.9
- D:
- 1.1
- E:
- 1.3
$84.00 $55.66 -
Sold Out, please call for ETA.
GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut THXL-1250-W
Groco
$84.00 $55.661-1/4" 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
$84.00 $55.66 -
Sold Out, please call for ETA.
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" HTH-2000-S
Groco
$104.00 $67.20Stainless Steel Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B- Part Number:
- 34-HTH2000S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 2"
- Hose ID:
- 2"
- A:
- 2.8
- B:
- 0.3
- C:
- 3.3
- D:
- 1.1
- E:
- 1.3
$104.00 $67.20 -
Attwood Marine Thru Hull SS 1" 66548-3
Attwood Marine
$54.37 $28.62Attwood 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 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut TH-1250-WS
Groco
$53.251-1/4" 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-TH1250WS
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/4"
- A:
- 2.9
- B:
- 0.3
- C:
- 2.62
$53.25 -
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" HTH-1250-S
Groco
$56.99Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B- Part Number:
- 34-HTH1250S
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1-1/4"
- Hose ID:
- 1-1/4"
- A:
- 2.8
- B:
- 0.3
- C:
- 2.6
- D:
- 1.1
- E:
- 1.3
$56.99 -
Johnson Pump 3 Thru-Hull Connector - 3/4" - 90° - White 75035-00
Johnson Pump
$17.59 $13.69Johnson Pump 3/4 Thru Hull 90Deg. 75035-00 Fittings are molded of tough acetal resin so they will not rust, corrode, discolor nor are they susceptible to electrolysis.- Part Number:
- 189-7503500
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 3/4" ID
- Color:
- White
$17.59 $13.69 -
GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut TH-1250-W
Groco
$61.00 $48.481-1/4" 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-TH1250W
- Availability:
- In Stock - Ships same or next business day.
- Thread NPS:
- 1 1/4"
- A:
- 2.9
- B:
- 0.3
- C:
- 2.62
$61.00 $48.48 -
Groco Thru Hull Flush with Nut 1" Fth-1000-W
Groco
$60.00 $31.641" 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
$60.00 $31.64 -
Seachoice Marine Boat Thru Hull W/SS Cover-1 1/4 St 18471
Seachoice
$16.70 $13.80Seachoice 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 $13.80 -
Seachoice Thru-Hull Conn-Chrome-3/4 17941
Seachoice
$11.11 $9.83Seachoice 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 -
Sold Out, please call for ETA.
GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut THXL-2000-W
Groco
$124.00 $79.202" 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
$124.00 $79.20 -
Sea-Dog Line Thru-Hull Fitting 3/4" 520750-1
SEA-DOG LINE
$7.45Sea-Dog Line Thru-Hull Fitting 3/4" 520750-1Injection molded polypropylene.- Part Number:
- 354-5207501
- Availability:
- In Stock - Ships same or next business day.
- A:
- 1-13/16"
- B:
- 1/2"
- C:
- 1-11/16"
- D:
- 3-1/2"
- E:
- 1"
- F:
- 3/4"
$7.45 -
GROCO 1-1/2" 90 Degree Hose Thru-Hull Fitting HTHC-1500-S
Groco
$208.00 $141.801-1/2" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL 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"
$208.00 $141.80 -
Seachoice Thru Hull W/SS Cover-1 1/8 90 50-18561
Seachoice
$20.99 $12.36Seachoice Thru Hull W/SS Cover-1 1/8 90 50-18561 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.- Part Number:
- 50-18561
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 1-1/8"
- Flange:
- 1-7/8"
- Max Hull Thickness:
- 1-3/8"
$20.99 $12.36 -
Seachoice Thru-Hull Conn-White Plas-1 Nut 50-18141
Seachoice
$12.49 $9.08Seachoice 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 plastic- 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 $9.08 -
Attwood Marine Thru Hull SS 1-1/8" Short 66543-3
Attwood Marine
$64.83 $33.70Attwood 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 $33.70 -
Groco 3 Inthru-Hull With Nut Th-3000-W
Groco
$365.00 $270.013" 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 Stai- Part Number:
- 34-TH3000W
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 3"
- A:
- 4
- B:
- 0.42
- C:
- 5.5
$365.00 $270.01