Collection: Marine Plumbing & Ventilation - Fittings
Keep your marine head and plumbing system running right with fittings, MSD components, bellows pump kits, and ventilation parts. Shop replacement fittings for Dometic toilets and sanitation systems, plus thru-hull and ventilation fittings for your boat. Not sure which fitting matches your system? Email orders@hawkeyemarine.net.
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GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]
Regular price $120.00 USDRegular priceUnit price per$0.00 USDSale price $120.00 USD -
GROCO 1" NPT Bronze 45 Degree Pipe to 1" Hose [PTHD-1000]
Regular price $24.00 USDRegular priceUnit price per$0.00 USDSale price $24.00 USD -
Raritan Diverter Y Valve w/Fittings [DV11]
Regular price $140.00 USDRegular priceUnit price per$0.00 USDSale price $140.00 USD -
Shurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]
Regular price $74.25 USDRegular priceUnit price per$0.00 USDSale price $74.25 USD -
T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]
Regular price $27.99 USDRegular priceUnit price per$0.00 USDSale price $27.99 USD -
GROCO 3/4" NPT Bronze Inline Fuel Valve [FV-750]
Regular price $60.00 USDRegular priceUnit price per$0.00 USDSale price $60.00 USD -
Perko 1" Pipe To Hose Adapter Straight Bronze MADE IN THE USA [0076DP6PLB]
Regular price $25.99 USDRegular priceUnit price per$0.00 USDSale price $25.99 USD -
Perko Flush Pro Valve Kit - 1" [0457DP6]
Regular price $276.69 USDRegular priceUnit price per$0.00 USDSale price $276.69 USD -
Perko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome [0591DPGCHR]
Regular price $131.53 USDRegular priceUnit price per$0.00 USDSale price $131.53 USD -
Perko 1-1/2 Pipe To Hose Adapter Straight Bronze MADE IN THE USA [0076DP8PLB]
Regular price $49.59 USDRegular priceUnit price per$0.00 USDSale price $49.59 USD -
GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]
Regular price $86.00 USDRegular priceUnit price per$0.00 USDSale price $86.00 USD -
GROCO Bronze Round Hull Strainer w/Access Door f/Up To 2" Thru-Hull [RSC-2000]
Regular price $142.00 USDRegular priceUnit price per$0.00 USDSale price $142.00 USD -
GROCO 3/4" NPT x 3/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-750-S]
Regular price $17.00 USDRegular priceUnit price per$0.00 USDSale price $17.00 USD -
GROCO Perforated Hull Strainer w/Access Door 2" Max Thru-Hull [APHS-2000-1]
Regular price $334.00 USDRegular priceUnit price per$0.00 USDSale price $334.00 USD -
GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1" Thru Hull [SC-1000-L]
Regular price $42.00 USDRegular priceUnit price per$0.00 USDSale price $42.00 USD -
TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]
Regular price $16.99 USDRegular priceUnit price per$0.00 USDSale price $16.99 USD -
Attwood Scupper Valve [3876-3]
Regular price $12.99 USDRegular priceUnit price per$0.00 USDSale price $12.99 USD -
GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]
Regular price $105.00 USDRegular priceUnit price per$0.00 USDSale price $105.00 USD -
Perko 3/4" Seacock Ball Valve Bronze MADE IN THE USA [0805005PLB]
Regular price $292.81 USDRegular priceUnit price per$0.00 USDSale price $292.81 USD -
GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]
Regular price $13.00 USDRegular priceUnit price per$0.00 USDSale price $13.00 USD -
GROCO 1/2" NPT Bronze 3-Way Valve [TWV-500]
Regular price $63.00 USDRegular priceUnit price per$0.00 USDSale price $63.00 USD -
GROCO Garboard Drain w/Plug [TD-500]
Regular price $14.00 USDRegular priceUnit price per$0.00 USDSale price $14.00 USD -
GROCO 1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1500]
Regular price $57.00 USDRegular priceUnit price per$0.00 USDSale price $57.00 USD -
Perko 1-1/4" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP7PLB]
Regular price $66.58 USDRegular priceUnit price per$0.00 USDSale price $66.58 USD
![GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]](http://hawkeyemarine.net/cdn/shop/files/74191XL.jpg?v=1735604557&width=533)
![GROCO 1" NPT Bronze 45 Degree Pipe to 1" Hose [PTHD-1000]](http://hawkeyemarine.net/cdn/shop/files/75262XL.jpg?v=1735605193&width=533)
![Raritan Diverter Y Valve w/Fittings [DV11]](http://hawkeyemarine.net/cdn/shop/files/99803XL.jpg?v=1735756250&width=533)
![Shurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]](http://hawkeyemarine.net/cdn/shop/files/56143XL.jpg?v=1714573457&width=533)
![T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]](http://hawkeyemarine.net/cdn/shop/files/83962XL.jpg?v=1764619009&width=533)
![GROCO 3/4" NPT Bronze Inline Fuel Valve [FV-750]](http://hawkeyemarine.net/cdn/shop/files/74412XL.jpg?v=1735604958&width=533)
![Perko 1" Pipe To Hose Adapter Straight Bronze MADE IN THE USA [0076DP6PLB]](http://hawkeyemarine.net/cdn/shop/files/39154XL.jpg?v=1735669012&width=533)
![Perko Flush Pro Valve Kit - 1" [0457DP6]](http://hawkeyemarine.net/cdn/shop/files/50469XL.jpg?v=1735669475&width=533)
![Perko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome [0591DPGCHR]](http://hawkeyemarine.net/cdn/shop/files/69980XL.jpg?v=1735670197&width=533)
![Perko 1-1/2 Pipe To Hose Adapter Straight Bronze MADE IN THE USA [0076DP8PLB]](http://hawkeyemarine.net/cdn/shop/files/39156XL.jpg?v=1718222291&width=533)
![GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]](http://hawkeyemarine.net/cdn/shop/files/74199XL.jpg?v=1755733499&width=533)
![GROCO Bronze Round Hull Strainer w/Access Door f/Up To 2" Thru-Hull [RSC-2000]](http://hawkeyemarine.net/cdn/shop/files/75269XL.jpg?v=1755733503&width=533)
![GROCO 3/4" NPT x 3/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-750-S]](http://hawkeyemarine.net/cdn/shop/files/74265XL.jpg?v=1755733500&width=533)
![GROCO Perforated Hull Strainer w/Access Door 2" Max Thru-Hull [APHS-2000-1]](http://hawkeyemarine.net/cdn/shop/files/74396XL.jpg?v=1755733501&width=533)
![GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1" Thru Hull [SC-1000-L]](http://hawkeyemarine.net/cdn/shop/files/75305XL.jpg?v=1735605234&width=533)
![TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]](http://hawkeyemarine.net/cdn/shop/files/84168XL.jpg?v=1764619010&width=533)
![Attwood Scupper Valve [3876-3]](http://hawkeyemarine.net/cdn/shop/files/66237XL.jpg?v=1749587529&width=533)
![Attwood Scupper Valve [3876-3]](http://hawkeyemarine.net/cdn/shop/files/66237BXL.jpg?v=1749587529&width=533)
![GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]](http://hawkeyemarine.net/cdn/shop/files/74173XL.jpg?v=1735604491&width=533)
![Perko 3/4" Seacock Ball Valve Bronze MADE IN THE USA [0805005PLB]](http://hawkeyemarine.net/cdn/shop/files/39203XL.jpg?v=1735669283&width=533)
![GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]](http://hawkeyemarine.net/cdn/shop/files/75236XL.jpg?v=1764615394&width=533)
![GROCO 1/2" NPT Bronze 3-Way Valve [TWV-500]](http://hawkeyemarine.net/cdn/shop/files/75354XL.jpg?v=1735605399&width=533)
![GROCO Garboard Drain w/Plug [TD-500]](http://hawkeyemarine.net/cdn/shop/files/75340XL.jpg?v=1735605335&width=533)
![GROCO 1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1500]](http://hawkeyemarine.net/cdn/shop/files/74278XL.jpg?v=1735604737&width=533)
![Perko 1-1/4" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP7PLB]](http://hawkeyemarine.net/cdn/shop/files/39141XL.jpg?v=1735668922&width=533)