Collection: Marine Plumbing & Ventilation

245 products

  • Save $62.93 USD
    Whale Marine

    Whale Gulper Grouper Fishbox Evacuation Pump 24V [BP4574]

    Regular price $316.99 USD
    Sale price $316.99 USD Regular price $379.92 USD

    Gulper Grouper Fishbox Evacuation Pump 24VNon clog no filter waste pumps built on more than a decade of market leading pump technology.Replace your macerator with the...

  • Save $53.76 USD
    Whale Marine

    Whale Gulper Grouper Fishbox Evacuation Pump 12V [BP4572]

    Regular price $302.99 USD
    Sale price $302.99 USD Regular price $356.75 USD

    Gulper Grouper Fishbox Evacuation Pump 12VNon clog no filter waste pumps built on more than a decade of market leading pump technology.Replace your macerator with the...

  • Save $50.59 USD
    Whale Marine

    Whale Gulper 320 High Capacity Waste/Bilge Pump 24V [BP2054]

    Regular price $245.99 USD
    Sale price $245.99 USD Regular price $296.58 USD

    Gulper 320 High Capacity Waste/Bilge Pump 24VHigh Capacity Waste Pump- Fast Drainage and space saving on boardNo clog, no filter waste pump built on more than...

  • Save $51.53 USD
    Whale Marine

    Whale Gulper 320 High Capacity Waste/Bilge Pump 12V [BP2052]

    Regular price $251.99 USD
    Sale price $251.99 USD Regular price $303.52 USD

    Gulper 320 High Capacity Waste/Bilge Pump 12VHigh Capacity Waste Pump- Fast Drainage and space saving on boardNo clog, no filter waste pump built on more than...

  • Save $53.00 USD
    Jabsco

    Jabsco Filterless Bilger - Sink - Shower Drain Pump [50880-1000]

    Regular price $341.99 USD
    Sale price $341.99 USD Regular price $394.99 USD

    Shower Drain and Bilge PumpRobust Single Diaphragm Design Sink & Shower Drain PumpFlow rate: Nominal 16 Litres/min (4.2 US gallons/min)Self-priming from dry up to 3m (10ft)Features:...

Plumbing & Ventilation FAQs

Marine plumbing systems can include freshwater pumps, washdown pumps, bilge pumps, hoses, fittings, valves, thru-hulls, drains, strainers, tanks, sanitation components, faucets, and related hardware. The exact setup depends on the vessel and its onboard water, drainage, sanitation, and pumping systems.

Start by identifying the pump’s intended application, such as freshwater delivery, washdown, bilge removal, or sanitation. Then compare flow rate, pressure, voltage, inlet and outlet sizes, mounting requirements, and manufacturer specifications. A pump should be selected for the specific system rather than simply choosing the highest-capacity option.

Check the inside diameter of the existing hose and the connection size specified by the pump, valve, thru-hull, or other component. Marine plumbing fittings can use different connection types and sizes, so verify dimensions and specifications before ordering rather than relying on appearance alone.

Proper ventilation helps circulate air through enclosed areas and can help manage heat, moisture, and odors. Depending on the vessel, ventilation equipment may be used in cabins, heads, storage areas, machinery spaces, and other compartments. Certain spaces can have specific ventilation requirements, so equipment should be selected for its intended application.

KEEP THE WATER MOVING. KEEP THE AIR FLOWING

From pumps, hoses and fittings to thru-hulls, valves and ventilation equipment, find the components you need to maintain the systems working behind the scenes aboard your boat.

Dependable systems. More time on the water.Adventure Starts Here.