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Marine Plumbing & Ventilation

Marine Plumbing & Ventilation systems are essential for keeping your vessel comfortable, efficient, and operating at its best in every marine environment. Designed to withstand moisture, vibration, and harsh saltwater conditions, today's plumbing and ventilation solutions deliver dependable performance and long-lasting reliability you can count on. From bilge pumps, freshwater pumps, hoses, fittings, and marine sanitation systems to blowers, vents, and ventilation accessories, the right equipment helps maintain proper water flow, improve air circulation, and protect critical onboard systems. Whether you're replacing worn components or upgrading your boat with modern plumbing and ventilation equipment, premium marine products provide the performance trusted by boaters and marine professionals alike. Explore our selection of marine plumbing and ventilation solutions and let our experts help you find the right products to keep your vessel running smoothly on every adventure.

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  • Shurflo by Pentair Blaster II Washdown Pump - 24 VDC - 3.5 GPM - 45 PSI [4238-141-E07]
    Shurflo by Pentair

    Shurflo by Pentair Blaster II Washdown Pump - 24 VDC - 3.5 GPM - 45 PSI [4238-141-E07]

    £136.89
    £227.93
    £136.89
    Blaster II Washdown Pump - 24 VDC - 3.5 GPM - 45 PSIThe Shurflo Blaster II Washdown Pump design was created with a unique over-molded single-piece diaphragm, ensuring long life and top performance in all marine washdown applications.Features: Thermally protected and can run dry...
    £136.89
    £227.93
    £136.89
  • GROCO ARG-755 Series 3/4" Raw Water Strainer Stainless Steel Basket [ARG-755-S]
    GROCO

    GROCO ARG-755 Series 3/4" Raw Water Strainer Stainless Steel Basket [ARG-755-S]

    £177.07
    £276.03
    £177.07
    ARG-755 Series 3/4" Raw Water Strainer Stainless Steel BasketFeatures: Mounting System Allows Removal Without Tools Bonding Connection Both Sides O-Ring Seal All Joining Surfaces Filter Basket Options #304 SS (Standard) Monel Non-Metallic One-Piece Molded Sight Glass Eliminates Tie Rods and Gaskets Improved Drain Plug...
    £177.07
    £276.03
    £177.07
  • GROCO BP-3 Poly Basket - 2.6" x 7.3" [BP-3]
    GROCO

    GROCO BP-3 Poly Basket - 2.6" x 7.3" [BP-3]

    £40.17
    £59.52
    £40.17
    BP-3 Poly Basket - 2.6" x 7.3"Replacement Poly Baskets are made of corrosion-resistant polyethylene and have an improved handle design for easier use. Designed to fit a range of pipe sizes, these spare poly baskets measure between 5.2 and 18.3 inches in length, and...
    £40.17
    £59.52
    £40.17
  • GROCO BP-1 Poly Basket - 1.9" x 5.2" [BP-1]
    GROCO

    GROCO BP-1 Poly Basket - 1.9" x 5.2" [BP-1]

    £31.98
    £47.62
    £31.98
    BP-1 Poly Basket - 1.9" x 5.2"Replacement Poly Baskets are made of corrosion-resistant polyethylene and have an improved handle design for easier use. Designed to fit a range of pipe sizes, these spare poly baskets measure between 5.2 and 18.3 inches in length, and...
    £31.98
    £47.62
    £31.98
  • Shurflo by Pentair YELLOWTAIL 3" Marine Blower - 12 VDC, 120 CFM [277-3110]
    Shurflo by Pentair

    Shurflo by Pentair YELLOWTAIL 3" Marine Blower - 12 VDC, 120 CFM [277-3110]

    £28.26
    £42.78
    £28.26
    YELLOWTAIL™ 3" Marine Blower - 12 VDC, 120 CFMSHURFLO has developed a unique nylon fan that includes six blades to ensure high performance and efficient ventilation for bilges, engine compartments, galleys and heads. Installation of the YELLOWTAIL blower is made easy with extended barbs...
    £28.26
    £42.78
    £28.26
  • Shurflo by Pentair MACERATOR Pump w/180 Port - 12 VDC, 13 GPM [3200-101]
    Shurflo by Pentair

    Shurflo by Pentair MACERATOR Pump w/180 Port - 12 VDC, 13 GPM [3200-101]

    £146.56
    £244.91
    £146.56
    MACERATOR Pump w/180° Port - 12 VDC, 13 GPMSHURFLO's MACERATOR is designed to accommodate the need for a reliable, high performance waste evacuation pump. This pump incorporates a high quality motor with a new seamless shell design that is thermally protected. The unique features...
    £146.56
    £244.91
    £146.56
  • Shurflo by Pentair BAIT SENTRY 500 Magnetic Drive Livewell Pump - 500 GPH [1700-001-030]
    Shurflo by Pentair

    Shurflo by Pentair BAIT SENTRY 500 Magnetic Drive Livewell Pump - 500 GPH [1700-001-030]

    £93.74
    £145.60
    £93.74
    BAIT SENTRY™ 500 Magnetic Drive Livewell Pump - 500 GPHThe sportsfishing livewell application requires an extremely rugged pump to withstand the harsh marine environment. SHURFLO's BAIT SENTRY is designed for easy installation and trouble-free operation. Magnetic drive technology eliminates unnecessary failures. Anti-airlock feature allows...
    £93.74
    £145.60
    £93.74
  • Shurflo by Pentair PIRANHA Livewell 800 Pump - 12 VDC, 800 GPH [357-113-10]
    Shurflo by Pentair

    Shurflo by Pentair PIRANHA Livewell 800 Pump - 12 VDC, 800 GPH [357-113-10]

    £49.10
    £78.43
    £49.10
    PIRANHA™ Livewell 800 Pump - 12 VDC, 800 GPHSmart. Reliable. Attractive. Efficient. All PIRANHA series livewell pumps have a removable cartridge for easy cleaning. Anti-airlock feature allows the pump to clear trapped air in rough water or when the boat is anchored. The dual...
    £49.10
    £78.43
    £49.10
  • Scandvik Replacement White Cup Cap f/Recessed Shower [12104P]
    Scandvik

    Scandvik Replacement White Cup Cap f/Recessed Shower [12104P]

    £14.13
    £20.83
    £14.13
    Replacement White Cup & Cap for Recessed ShowerThis recessed cap and cup design is made with Dupont™ Zytel® Nylon Resin for greater strength and UV exposure resistance. A rubber gasket under the cap will keep water out when the cap is closed. Features: Requires a...
    £14.13
    £20.83
    £14.13
  • Scandvik Chrome Euro Sprayer w/6' Black Nylon Hose [14041]
    Scandvik

    Scandvik Chrome Euro Sprayer w/6' Black Nylon Hose [14041]

    £68.44
    £111.60
    £68.44
    Chrome Euro Sprayer with 6' Black Nylon HoseEuro ELBOW Sprayers are equally versatile, but with a modern look. The included countertop holder leaves the sprayer in a ready-for-action position. Available in a variety of hose materials and lengths. Sprayer handle features a trigger sprayer...
    £68.44
    £111.60
    £68.44
  • Scandvik White Container Cap f/Scandvik PNs 10055,10275,10298, 10826 [10014P]
    Scandvik

    Scandvik White Container Cap f/Scandvik PNs 10055,10275,10298, 10826 [10014P]

    £11.90
    £17.11
    £11.90
    White Container & Cap for Scandvik Part Numbers 10055,10275,10298, & 10826This is a replacement cap and cup for horizontally mounted recessed showers. Horizontally mounted showers can be distinguished by the shower on the cap. This specific model is a kit (one #10252 cap and...
    £11.90
    £17.11
    £11.90
  • Hella Marine 2-Speed Turbo Fan - 12V - Black [003361002]
    Hella Marine

    Hella Marine 2-Speed Turbo Fan - 12V - Black [003361002]

    £67.70
    £98.35
    £67.70
    2-Speed Turbo Fan - 12V - BlackUniversal fans from the versatile and well respected “Turbo” range.Can be turned and pivoted in all directions, and locked in position.Features: 150mm diameter fan blade with guard High air moving capacity with low power consumption Two speed switch...
    £67.70
    £98.35
    £67.70
  • Johnson Pump 1600GPH Auto Bilge Pump w/Mag Switch - 12V [01604-00]
    Johnson Pump

    Johnson Pump 1600GPH Auto Bilge Pump w/Mag Switch - 12V [01604-00]

    £115.31
    £194.37
    £115.31
    Automatic Submersible Bilge Pump - Electromagnetic Switch01604-00 Heavy-Duty, high-performance pump Exceeds the tough demands of commercial and recreational duty Liquid Cooled 12-Pole motor with double ball bearings Lip Seal design construction Prewired with automatic float switch(with Manual Over-ride Operation) Optional and removable check valve...
    £115.31
    £194.37
    £115.31
  • Johnson Pump 750 GPH Motor Cartridge Only [28572]
    Johnson Pump

    Johnson Pump 750 GPH Motor Cartridge Only [28572]

    £29.75
    £50.14
    £29.75
    Spare Motor for CartridgeUpgrade the output of your bilge pump in a matter of a few minutes by replacing the cartridge. Cleaning debris from the impeller has never been simpler or easier. Specifications: Type: Replacement Motors Box Dimensions: 4"H x 6"W x 7"L WT:...
    £29.75
    £50.14
    £29.75
  • Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft [10-24946-01]Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft [10-24946-01]
    Johnson Pump

    Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft [10-24946-01]

    £138.38
    £242.41
    £138.38
    F6B-9 Impeller Pump OEM HS CrankshaftCrank driven raw water pump. Replaces: Marine Power 524505, Pleasure Craft RA057023, Indmar 665011, Volvo 841640. Johnson Pump 10-24228-1. 
    £138.38
    £242.41
    £138.38
  • Sea-Dog Brass Snap Handle Drain Plug - 1" [520070-1]
    Sea-Dog

    Sea-Dog Brass Snap Handle Drain Plug - 1" [520070-1]

    £5.20
    £7.03
    £5.20
    Brass Snap Handle Drain Plug - 1" Snap-handle drain plugs feature cam action for easy installation and a leak proof seal. Simply turn the handle clockwise to tighten the plug then snap down the handle to lock. Durable stamped brass and nitrile rubber construction. WARNING:...
    £5.20
    £7.03
    £5.20
  • Shurflo by Pentair In-Line Check Valve - 1/2" Barbs [340-001]
    Shurflo by Pentair

    Shurflo by Pentair In-Line Check Valve - 1/2" Barbs [340-001]

    £14.13
    £21.68
    £14.13
    In-Line Check Valve - 1/2" BarbsThis check valve allows water to flow in only one direction helping to safeguard against back surge pressure up to 100 PSI.Features: Allows flow in one direction only Safeguards against backsurge up to 100 PSI Small size, easy installation...
    £14.13
    £21.68
    £14.13
  • Beckson Thirsty-Mate 24" Pump w/72" Flexible Reinforced Hose [124PF6]
    Beckson Marine

    Beckson Thirsty-Mate 24" Pump w/72" Flexible Reinforced Hose [124PF6]

    £41.66
    £61.31
    £41.66
    Thirsty-Mate Hand PumpThe Beckson THIRSTY-MATE hand pump is manufactured in the U.S.A. of the finest materials available. It is self-priming and very easy to clean. This hand pump will not rust or corrode or mar your boat. If your THIRSTY-MATE hand pump becomes clogged,...
    £41.66
    £61.31
    £41.66
  • Beckson 1" Drain Plug Screw Type w/Gasket - Black [DP10-B]
    Beckson Marine

    Beckson 1" Drain Plug Screw Type w/Gasket - Black [DP10-B]

    £4.46
    £6.03
    £4.46
    Beckson Screw Type 1" Drain PlugScrew-type drain plug with patented self-cleaning thread design, O-ring, and super strength center retaining legs to secure the center while draining. Ideal installation for transom of personal watercraft, small boats, fish wells, coolers, ice chests, water tanks, etc. Part...
    £4.46
    £6.03
    £4.46
  • Johnson Pump Talulah High Flow Ballast Pump - 30 GPM - 12V [10-24939-18]
    Johnson Pump

    Johnson Pump Talulah High Flow Ballast Pump - 30 GPM - 12V [10-24939-18]

    £238.82
    £420.18
    £238.82
    Talulah High Flow Ballast Pump - 30 GPM - 12VWith an extraordinary 30GPM rating, the Johnson Pump Talulah HighFlow Ballast Pump represents the industry gold standard of high speed, reliable and efficient reversible ballast pumps. Built with ball bearings, a solid bronze pump head,...
    £238.82
    £420.18
    £238.82