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 1/2" 4-Way Tank Selector Kit [TS-350-T]
Regular price $304.00 USDRegular priceUnit price per$0.00 USDSale price $304.00 USD -
Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Chrome [183-029-14]
Regular price $91.73 USDRegular priceUnit price per$0.00 USDSale price $91.73 USD -
GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]
Regular price $1,761.00 USDRegular priceUnit price per$0.00 USDSale price $1,761.00 USD -
GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]
Regular price $148.00 USDRegular priceUnit price per$0.00 USDSale price $148.00 USD -
GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]
Regular price $20.00 USDRegular priceUnit price per$0.00 USDSale price $20.00 USD -
GROCO 1/2" Bronze In-Line Check Valve [CV-50]
Regular price $37.00 USDRegular priceUnit price per$0.00 USDSale price $37.00 USD -
GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]
Regular price $463.00 USDRegular priceUnit price per$0.00 USDSale price $463.00 USD -
GROCO 1-1/4" Bronze Flanged Full Flow Seacock [BV-1250]
Regular price $599.00 USDRegular priceUnit price per$0.00 USDSale price $599.00 USD -
GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]
Regular price $372.00 USDRegular priceUnit price per$0.00 USDSale price $372.00 USD -
GROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]
Regular price $92.00 USDRegular priceUnit price per$0.00 USDSale price $92.00 USD -
GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]
Regular price $378.00 USDRegular priceUnit price per$0.00 USDSale price $378.00 USD -
GROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]
Regular price $27.00 USDRegular priceUnit price per$0.00 USDSale price $27.00 USD -
GROCO 1" NPT x 1-1/4" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1000]
Regular price $43.00 USDRegular priceUnit price per$0.00 USDSale price $43.00 USD -
GROCO 1-1/4" NPT Bronze 45 Degree Pipe to 1-1/4" Hose [PTHD-1250]
Regular price $36.00 USDRegular priceUnit price per$0.00 USDSale price $36.00 USD -
GROCO Bronze Pipe Nipple - 2-1/2" NPT [PN-2500]
Regular price $80.00 USDRegular priceUnit price per$0.00 USDSale price $80.00 USD -
GROCO 1/2" NPT x 1/2" or 5/8" ID Bronze Pipe to Hose Straight Fitting [PTH-5062]
Regular price $11.00 USDRegular priceUnit price per$0.00 USDSale price $11.00 USD -
GROCO Bronze Pipe Nipple - 2" NPT [PN-2000]
Regular price $60.00 USDRegular priceUnit price per$0.00 USDSale price $60.00 USD -
TH-Marine Push-In Drain Plug f/1-1/8" Thru-Hull All Purpose Drains [PP-118-DP]
Regular price $9.99 USDRegular priceUnit price per$0.00 USDSale price $9.99 USD -
GROCO Garboard Drain w/Inside T-Handle Plug [TD-750]
Regular price $106.00 USDRegular priceUnit price per$0.00 USDSale price $106.00 USD -
GROCO 1/2" NPT x 3/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-500]
Regular price $13.00 USDRegular priceUnit price per$0.00 USDSale price $13.00 USD -
GROCO 1" NPT x 1" ID Bronze Pipe to Hose Straight Fitting [PTH-1000]
Regular price $17.00 USDRegular priceUnit price per$0.00 USDSale price $17.00 USD -
GROCO 1-1/4" NPT x 1-1/2" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1250]
Regular price $68.00 USDRegular priceUnit price per$0.00 USDSale price $68.00 USD -
Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Gel White [183-029-18]
Regular price $73.51 USDRegular priceUnit price per$0.00 USDSale price $73.51 USD -
GROCO 1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1250-S]
Regular price $30.00 USDRegular priceUnit price per$0.00 USDSale price $30.00 USD
![GROCO 1/2" 4-Way Tank Selector Kit [TS-350-T]](http://hawkeyemarine.net/cdn/shop/files/75353XL.jpg?v=1764615396&width=533)
![Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Chrome [183-029-14]](http://hawkeyemarine.net/cdn/shop/files/56144XL.jpg?v=1714573465&width=533)
![GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]](http://hawkeyemarine.net/cdn/shop/files/75374XL.jpg?v=1715744131&width=533)
![GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]](http://hawkeyemarine.net/cdn/shop/files/75242XL.jpg?v=1735605168&width=533)
![GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]](http://hawkeyemarine.net/cdn/shop/files/75261XL.jpg?v=1735605184&width=533)
![GROCO 1/2" Bronze In-Line Check Valve [CV-50]](http://hawkeyemarine.net/cdn/shop/files/74403XL.jpg?v=1735604909&width=533)
![GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]](http://hawkeyemarine.net/cdn/shop/files/72842XL.jpg?v=1755733497&width=533)
![GROCO 1-1/4" Bronze Flanged Full Flow Seacock [BV-1250]](http://hawkeyemarine.net/cdn/shop/files/72843XL.jpg?v=1741127379&width=533)
![GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]](http://hawkeyemarine.net/cdn/shop/files/74389XL.jpg?v=1735604841&width=533)
![GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]](http://hawkeyemarine.net/cdn/shop/files/74389BXL.jpg?v=1735604843&width=533)
![GROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]](http://hawkeyemarine.net/cdn/shop/files/75268XL.jpg?v=1755733503&width=533)
![GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]](http://hawkeyemarine.net/cdn/shop/files/72841XL.jpg?v=1755733497&width=533)
![GROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]](http://hawkeyemarine.net/cdn/shop/files/74275XL.jpg?v=1735604713&width=533)
![GROCO 1" NPT x 1-1/4" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1000]](http://hawkeyemarine.net/cdn/shop/files/74181XL.jpg?v=1735604507&width=533)
![GROCO 1-1/4" NPT Bronze 45 Degree Pipe to 1-1/4" Hose [PTHD-1250]](http://hawkeyemarine.net/cdn/shop/files/75263XL.jpg?v=1735605201&width=533)
![GROCO Bronze Pipe Nipple - 2-1/2" NPT [PN-2500]](http://hawkeyemarine.net/cdn/shop/files/75241XL.jpg?v=1735605160&width=533)
![GROCO 1/2" NPT x 1/2" or 5/8" ID Bronze Pipe to Hose Straight Fitting [PTH-5062]](http://hawkeyemarine.net/cdn/shop/files/74254XL.jpg?v=1735604646&width=533)
![GROCO Bronze Pipe Nipple - 2" NPT [PN-2000]](http://hawkeyemarine.net/cdn/shop/files/75240XL.jpg?v=1735605152&width=533)
![TH-Marine Push-In Drain Plug f/1-1/8" Thru-Hull All Purpose Drains [PP-118-DP]](http://hawkeyemarine.net/cdn/shop/files/84167XL.jpg?v=1764619010&width=533)
![GROCO Garboard Drain w/Inside T-Handle Plug [TD-750]](http://hawkeyemarine.net/cdn/shop/files/75341XL.jpg?v=1720205892&width=533)
![GROCO 1/2" NPT x 3/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-500]](http://hawkeyemarine.net/cdn/shop/files/72853XL.jpg?v=1764614552&width=533)
![GROCO 1" NPT x 1" ID Bronze Pipe to Hose Straight Fitting [PTH-1000]](http://hawkeyemarine.net/cdn/shop/files/74256XL.jpg?v=1735604663&width=533)
![GROCO 1-1/4" NPT x 1-1/2" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1250]](http://hawkeyemarine.net/cdn/shop/files/74183XL.jpg?v=1735604524&width=533)
![Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Gel White [183-029-18]](http://hawkeyemarine.net/cdn/shop/files/56145XL.jpg?v=1714573474&width=533)
![GROCO 1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1250-S]](http://hawkeyemarine.net/cdn/shop/files/74267XL.jpg?v=1755538119&width=533)