Collection: Marine Plumbing & Ventilation | Durable Fittings
Ensure leak-proof, reliable connections with our Marine Plumbing & Ventilation – Fittings collection! Featuring sturdy hose barbs, valves, watertight seacocks, and durable couplings, these essential components are built for the rigors of life on the water. Perfect for upgrading your systems or replacing worn-out parts, our marine-grade fittings deliver exceptional durability and performance in even the toughest marine conditions. Shop now and enjoy free U.S. shipping on all orders!
⛵️ Sail Away with Free U.S. Shipping! ⚓️
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GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]
- Regular price
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$75.99 - Regular price
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$97.00 - Sale price
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$75.99
Sale -
GROCO 2" NPT Stainless Steel In-Line Ball Valve [IBV-2000-S]GROCO 2" NPT Stainless Steel In-Line Ball Valve [IBV-2000-S]
- Regular price
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$158.99 - Regular price
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$219.00 - Sale price
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$158.99
Sale -
Dometic Bellows S/T Pump Kit [385230980]Dometic Bellows S/T Pump Kit [385230980]
- Regular price
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$160.99 - Regular price
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$167.99 - Sale price
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$160.99
Sale -
GROCO 1-1/2" NPT Bronze In-Line Ball Valve [IBV-1500]GROCO 1-1/2" NPT Bronze In-Line Ball Valve [IBV-1500]
- Regular price
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$103.99 - Regular price
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$137.00 - Sale price
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$103.99
Sale -
GROCO 1/2" NPT Stainless Steel In-Line Ball Valve [IBV-500-S]GROCO 1/2" NPT Stainless Steel In-Line Ball Valve [IBV-500-S]
- Regular price
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$63.99 - Regular price
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$75.00 - Sale price
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$63.99
Sale -
GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]
- Regular price
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$265.99 - Regular price
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$399.00 - Sale price
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$265.99
Sale -
GROCO 1" NPT x 1-1/8" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1125]GROCO 1" NPT x 1-1/8" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1125]
- Regular price
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$30.99 - Regular price
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$33.00 - Sale price
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$30.99
Sale -
Rule 1201R 3/4" Port - 90 Barb [1201R]Rule 1201R 3/4" Port - 90 Barb [1201R]
- Regular price
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$11.99 - Regular price
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- Sale price
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$11.99
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Perko 3/4" Pipe to Hose Adapter Straight Bronze MADE IN THE USA [0076DP5PLB]Perko 3/4" Pipe to Hose Adapter Straight Bronze MADE IN THE USA [0076DP5PLB]
- Regular price
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$18.99 - Regular price
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$19.15 - Sale price
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$18.99
Sale -
Raritan Diverter Y Valve w/Fittings [DV11]Raritan Diverter Y Valve w/Fittings [DV11]
- Regular price
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$84.99 - Regular price
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$99.99 - Sale price
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$84.99
Sale -
T-H Marine Large Rectangular Scupper - White [LRS-2-DP]T-H Marine Large Rectangular Scupper - White [LRS-2-DP]
- Regular price
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$17.35 - Regular price
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- Sale price
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$17.35
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Attwood Snap-Handle Brass Drain Plug - 1" Diameter [7524A7]Attwood Snap-Handle Brass Drain Plug - 1" Diameter [7524A7]
- Regular price
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$6.99 - Regular price
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- Sale price
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$6.99
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Attwood Stainless Steel Garboard Drain Plug - 7/8" Diameter [7557-7]Attwood Stainless Steel Garboard Drain Plug - 7/8" Diameter [7557-7]
- Regular price
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$36.99 - Regular price
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$37.99 - Sale price
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$36.99
Sale -
Attwood Livewell/Bailer Drain Plug - 1/2" [7533A7]Attwood Livewell/Bailer Drain Plug - 1/2" [7533A7]
- Regular price
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$11.99 - Regular price
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- Sale price
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$11.99
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Attwood T-Handle Brass Drain Plug - 1" Diameter [7526A7]Attwood T-Handle Brass Drain Plug - 1" Diameter [7526A7]
- Regular price
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$7.99 - Regular price
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- Sale price
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$7.99
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Whitecap 1/2" Self-Captivating Drain Plug (Long) [6353L]Whitecap 1/2" Self-Captivating Drain Plug (Long) [6353L]
- Regular price
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$49.99 - Regular price
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$61.99 - Sale price
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$49.99
Sale -
GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]
- Regular price
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$1,012.99 - Regular price
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$1,561.00 - Sale price
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$1,012.99
Sale -
GROCO 2-1/2" NPT Bronze 45 Degree Pipe to 2-1/2" Hose [PTHD-2500]GROCO 2-1/2" NPT Bronze 45 Degree Pipe to 2-1/2" Hose [PTHD-2500]
- Regular price
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$85.99 - Regular price
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$111.00 - Sale price
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$85.99
Sale -
GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]
- Regular price
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$196.99 - Regular price
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$295.00 - Sale price
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$196.99
Sale -
GROCO 3/4" Bronze In-Line Check Valve [CV-75]GROCO 3/4" Bronze In-Line Check Valve [CV-75]
- Regular price
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$32.99 - Regular price
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$35.00 - Sale price
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$32.99
Sale -
GROCO 6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" Return [FV-65038]GROCO 6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" Return [FV-65038]
- Regular price
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$180.99 - Regular price
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$250.00 - Sale price
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$180.99
Sale -
GROCO 1" NPT Bronze In-Line Ball Valve [IBV-1000]GROCO 1" NPT Bronze In-Line Ball Valve [IBV-1000]
- Regular price
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$60.99 - Regular price
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$72.00 - Sale price
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$60.99
Sale -
Shurflo by Pentair Water Faucet w/o Switch - White [94-009-12]Shurflo by Pentair Water Faucet w/o Switch - White [94-009-12]
- Regular price
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$65.99 - Regular price
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$81.88 - Sale price
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$65.99
Sale -
Attwood Garboard Drain Plug Cast Bronze [7555-3]Attwood Garboard Drain Plug Cast Bronze [7555-3]
- Regular price
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$16.99 - Regular price
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- Sale price
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$16.99
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Viega MegaPress 3/4" 45 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88095]Viega MegaPress 3/4" 45 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88095]
- Regular price
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$23.99 - Regular price
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$120.42 - Sale price
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$23.99
Sale -
Viega MegaPress 3/4" 90 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88005]Viega MegaPress 3/4" 90 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88005]
- Regular price
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$23.99 - Regular price
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$126.45 - Sale price
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$23.99
Sale -
Viega MegaPress 1" 90 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88010]Viega MegaPress 1" 90 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88010]
- Regular price
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$53.99 - Regular price
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$153.54 - Sale price
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$53.99
Sale -
Viega MegaPress 1" 45 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88100]Viega MegaPress 1" 45 Copper Nickel Elbow - Double Press Connection - Smart Connect Technology [88100]
- Regular price
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$53.99 - Regular price
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$153.54 - Sale price
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$53.99
Sale -
Viega MegaPress 3/4" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology [88385]Viega MegaPress 3/4" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology [88385]
- Regular price
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$16.99 - Regular price
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$61.27 - Sale price
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$16.99
Sale -
Rule 1207R 1-1/8" Port - 90 Barb [1207R]Rule 1207R 1-1/8" Port - 90 Barb [1207R]
- Regular price
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$11.99 - Regular price
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- Sale price
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$11.99
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Viega MegaPress 1" 90 Stainless Steel 304 Elbow Street - Press Connection - Smart Connect Technology [95040]Viega MegaPress 1" 90 Stainless Steel 304 Elbow Street - Press Connection - Smart Connect Technology [95040]
- Regular price
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$25.99 - Regular price
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$115.06 - Sale price
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$25.99
Sale -
TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]
- Regular price
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$17.19 - Regular price
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- Sale price
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$17.19
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T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]
- Regular price
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$26.99 - Regular price
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$28.51 - Sale price
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$26.99
Sale -
Viega MegaPress 3/4" Stainless Steel 304 Tee - Triple Press Connection - Smart Connect Technology [95110]Viega MegaPress 3/4" Stainless Steel 304 Tee - Triple Press Connection - Smart Connect Technology [95110]
- Regular price
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$46.99 - Regular price
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$187.39 - Sale price
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$46.99
Sale -
T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]
- Regular price
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$26.99 - Regular price
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$28.51 - Sale price
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$26.99
Sale -
T-H Marine Double Barb Inline Scupper Check Valve - 3/4" - Black [ILS-750-DP]T-H Marine Double Barb Inline Scupper Check Valve - 3/4" - Black [ILS-750-DP]
- Regular price
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$26.99 - Regular price
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$28.51 - Sale price
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$26.99
Sale -
Viega ProPress 1/2" Copper Coupling w/Stop - Double Press Connection - Smart Connect Technology [78047]Viega ProPress 1/2" Copper Coupling w/Stop - Double Press Connection - Smart Connect Technology [78047]
- Regular price
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$4.91 - Regular price
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- Sale price
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$4.91
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Albin Group Solenoid Valve - 12V [07-66-035]Albin Group Solenoid Valve - 12V [07-66-035]
- Regular price
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$36.99 - Regular price
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$38.91 - Sale price
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$36.99
Sale -
Rule Hose Adapter - 1-1/2" to 1-1/8" [67]Rule Hose Adapter - 1-1/2" to 1-1/8" [67]
- Regular price
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$10.99 - Regular price
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- Sale price
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$10.99
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Perko Garboard Drain Plus w/Steel Wrench [0124000PLB]Perko Garboard Drain Plus w/Steel Wrench [0124000PLB]
- Regular price
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$111.99 - Regular price
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$160.88 - Sale price
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$111.99
Sale -
Dometic O-Ring S/T Pump Kit [385310151]Dometic O-Ring S/T Pump Kit [385310151]
- Regular price
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$27.99 - Regular price
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- Sale price
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$27.99
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Perko Replacement Drain Plug f/0124000PLB [012400099B]Perko Replacement Drain Plug f/0124000PLB [012400099B]
- Regular price
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$59.99 - Regular price
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$68.13 - Sale price
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$59.99
Sale -
GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]
- Regular price
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$114.99 - Regular price
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$158.00 - Sale price
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$114.99
Sale -
GROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]GROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]
- Regular price
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$189.99 - Regular price
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$263.00 - Sale price
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$189.99
Sale -
GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1-1/2" Thru Hull [SC-1500]GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1-1/2" Thru Hull [SC-1500]
- Regular price
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$93.99 - Regular price
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$123.00 - Sale price
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$93.99
Sale -
GROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]GROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]
- Regular price
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$66.99 - Regular price
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$79.00 - Sale price
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$66.99
Sale -
GROCO 1-1/2" Hose Barb Stainless Straight Deck Drain [SCUS-1500]GROCO 1-1/2" Hose Barb Stainless Straight Deck Drain [SCUS-1500]
- Regular price
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$106.99 - Regular price
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$147.00 - Sale price
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$106.99
Sale -
GROCO Bronze Pipe Nipple - 1-1/2" NPT [PN-1500]GROCO Bronze Pipe Nipple - 1-1/2" NPT [PN-1500]
- Regular price
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$31.99 - Regular price
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$34.00 - Sale price
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$31.99
Sale -
GROCO Bronze Pipe Nipple - 1-1/4" NPT [PN-1250]GROCO Bronze Pipe Nipple - 1-1/4" NPT [PN-1250]
- Regular price
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$29.99 - Regular price
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$32.00 - Sale price
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$29.99
Sale -
GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]
- Regular price
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$16.00 - Regular price
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- Sale price
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$16.00
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GROCO Bronze Pipe Nipple - 1/2" NPT [PN-500]GROCO Bronze Pipe Nipple - 1/2" NPT [PN-500]
- Regular price
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$9.00 - Regular price
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- Sale price
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$9.00
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GROCO 2" NPT Bronze 45 Degree Pipe to 2" Hose [PTHD-2000]GROCO 2" NPT Bronze 45 Degree Pipe to 2" Hose [PTHD-2000]
- Regular price
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$51.99 - Regular price
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$60.00 - Sale price
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$51.99
Sale -
GROCO 3/4" NPT Bronze 3-Way Valve [TWV-750]GROCO 3/4" NPT Bronze 3-Way Valve [TWV-750]
- Regular price
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$53.99 - Regular price
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$62.00 - Sale price
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$53.99
Sale -
GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]
- Regular price
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$11.00 - Regular price
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- Sale price
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$11.00
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GROCO Bronze Pipe Nipple - 1" NPT [PN-1000]GROCO Bronze Pipe Nipple - 1" NPT [PN-1000]
- Regular price
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$18.00 - Regular price
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- Sale price
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$18.00
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GROCO Bronze Round Hull Strainer w/Access Door f/Up To 2" Thru-Hull [RSC-2000]GROCO Bronze Round Hull Strainer w/Access Door f/Up To 2" Thru-Hull [RSC-2000]
- Regular price
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$92.99 - Regular price
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$121.00 - Sale price
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$92.99
Sale -
GROCO 1" NPT Bronze 45 Degree Pipe to 1" Hose [PTHD-1000]GROCO 1" NPT Bronze 45 Degree Pipe to 1" Hose [PTHD-1000]
- Regular price
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$21.00 - Regular price
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- Sale price
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$21.00
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GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]
- Regular price
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$89.99 - Regular price
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$117.00 - Sale price
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$89.99
Sale -
GROCO 1/2" NPT Bronze 90 Degree Pipe to 1/2"-5/8" ID Hose [PTHC-5062]GROCO 1/2" NPT Bronze 90 Degree Pipe to 1/2"-5/8" ID Hose [PTHC-5062]
- Regular price
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$12.00 - Regular price
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- Sale price
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$12.00
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GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]
- Regular price
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$105.99 - Regular price
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$146.00 - Sale price
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$105.99
Sale