Collection: Marine Plumbing & Ventilation - Thru-Hull Fittings
A Thru hall fitting can be used to expel waste water, such as from a sink. You can check the thru hull fitting first when scraping the paint from the metal and if it looks golden and not pink it is in good shape. If the metal is pink, the thru hull fitting should be replaced immediately, since the metal has no strength and is ready to fail.
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Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter [3877-3]
Regular price $7.95 USDRegular priceUnit price / per$9.99 USDSale price $7.95 USDSale -
Attwood White Plastic Thru-Hull Fitting - 1-1/8" Inner Diameter [3874-3]
Regular price $7.95 USDRegular priceUnit price / per$9.99 USDSale price $7.95 USDSale -
Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]
Regular price $68.95 USDRegular priceUnit price / per$99.99 USDSale price $68.95 USDSale -
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3]
Regular price $44.95 USDRegular priceUnit price / per$59.99 USDSale price $44.95 USDSale -
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner Diameter [66549-3]
Regular price $30.95 USDRegular priceUnit price / per$39.99 USDSale price $30.95 USDSale -
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]
Regular price $25.95 USDRegular priceUnit price / per$34.99 USDSale price $25.95 USDSale -
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]
Regular price $21.95 USDRegular priceUnit price / per$27.99 USDSale price $21.95 USDSale -
Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3]
Regular price $45.95 USDRegular priceUnit price / per$61.99 USDSale price $45.95 USDSale -
Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]
Regular price $22.95 USDRegular priceUnit price / per$28.99 USDSale price $22.95 USDSale -
GROCO 2" 90 Degree Hose Thru-Hull Fitting [HTHC-2000-S]
Regular price $108.95 USDRegular priceUnit price / per$170.00 USDSale price $108.95 USDSold out -
GROCO 3/4" 90 Degree Hose Thru-Hull Fitting [HTHC-750-S]
Regular price $37.95 USDRegular priceUnit price / per$54.00 USDSale price $37.95 USDSale -
GROCO 2" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-2000-W]
Regular price $79.95 USDRegular priceUnit price / per$125.00 USDSale price $79.95 USDSold out -
GROCO 1-1/2" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-1500-W]
Regular price $58.95 USDRegular priceUnit price / per$92.00 USDSale price $58.95 USDSold out -
GROCO 1-1/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-1250-W]
Regular price $59.95 USDRegular priceUnit price / per$86.00 USDSale price $59.95 USDSold out -
GROCO 1" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-1000-W]
Regular price $38.95 USDRegular priceUnit price / per$56.00 USDSale price $38.95 USDSale -
GROCO 4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-4000-W]
Regular price $767.95 USDRegular priceUnit price / per$1,202.00 USDSale price $767.95 USDSold out