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Plumbing & Ventilation

Maintain reliable water flow, sanitation, and ventilation systems on your vessel with high-quality marine plumbing and ventilation components. This category includes essential products such as bilge pumps, livewell pumps, engine cooling pumps, washdown systems, hoses, fittings, and thru-hull fittings, along with strainors, impellers, and transfer pumps designed to support boat plumbing systems. You’ll also find marine air conditioning units, fans, blowers, heaters, and ventilation equipment that help regulate airflow and temperature onboard. From portable toilets and sanitation systems to monitoring components and installation tools, Bluewater Marine Supply offers dependable solutions for maintaining critical onboard systems.

Marine plumbing systems are essential for water circulation, sanitation, and onboard comfort. From freshwater systems to washdown pumps and sanitation equipment, reliable plumbing components ensure smooth operation.

Key components include water pumps, hoses, fittings, and filtration systems, all designed to withstand marine conditions.

Proper installation and maintenance are critical to prevent leaks and ensure long-term performance.

Browse our marine plumbing and pump solutions for dependable onboard systems.

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  • Rule 2000 G.P.H. Automatic Bilge Pump
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    Rule

    Rule 2000 G.P.H. Automatic Bilge Pump

    Rule 2000Engineered to commercial standards. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Computerized operation - no float switch requiredFully...
    $468.84
    $301.89
  • Rule 2000 G.P.H. "Gold Series" Bilge Pump
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    Rule

    Rule 2000 G.P.H. "Gold Series" Bilge Pump

    Rule 2000Engineered to commercial standards. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully SubmersibleEasy clean triple stage snap lock...
    $291.74
    $189.23
  • Rule 1500 G.P.H. Bilge Pump
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    Rule

    Rule 1500 G.P.H. Bilge Pump

    Rule 1500High pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully...
    $182.49
    $119.78
  • Rule 1500 G.P.H. Automatic Bilge Pump
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    Rule

    Rule 1500 G.P.H. Automatic Bilge Pump

    1500 G.P.H. Automatic Bilge PumpHigh pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC...
    $346.94
    $223.63
  • Rule 1500 G.P.H. "Gold Series" Bilge Pump
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    Rule

    Rule 1500 G.P.H. "Gold Series" Bilge Pump

    Rule 1500High pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully...
    $248.04
    $160.89
  • Rule Hi-Water Bilge Alarm
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    Rule

    Rule Hi-Water Bilge Alarm

    Hi-Water Bilge AlarmThe High Water Bilge Alarm consists of a non-mercury float switch and an in-dash gauge that features both a visual and an audible 85 db alarm. This unit allows an unmanned com part ment to be constantly monitored. For additional...
    $142.24
    $93.70
  • Rule ECO-Switch Automatic Bilge Pump Switch
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    Rule

    Rule ECO-Switch Automatic Bilge Pump Switch

    ECO-SwitchThe Rule ECO-Switch is an ecologically sound automatic bilge pump control control switch. Featuring a non-mercury design, the pump operates with simple air pressure. As water rises in the bilge, air rises in the air tube that is attached to...
    $170.99
    $112.20
  • Rule Deluxe 3-Way Lighted Rocker Panel Switch
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    Rule

    Rule Deluxe 3-Way Lighted Rocker Panel Switch

    3-Way Lighted Rocker Panel SwitchControls any pump equipped with an automatic float switch. This unit features a black plastic panel. It has a built-in fuse holder and an internally lighted rocker switch with 3 positions (automatic, off, or manual) with...
    $70.94
    $48.36
  • Rule Deluxe 3-Way Panel Lighted Switch
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    Rule

    Rule Deluxe 3-Way Panel Lighted Switch

    3-Way Panel Lighted SwitchControls any pump equipped with an automatic float switch. Toggle has three positions (automatic, off, or manual) and has a "fail safe" spring return to "off" from the "manual" position. Panel is black stainless steel and has...
    $69.79
    $47.44
  • Jabsco Little Pal Utility Pump
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    Jabsco

    Jabsco Little Pal Utility Pump

    Little Pal Utility PumpCompact polished brass multi-purpose hand pumpIdeal for small engine and gearbox oil drainSimply pump old oil out with dipstick probeOil and corrosion resistant brass and neoprene construction with up to 1 gpm outputSmall enough to...
    $115.79
    $76.77
  • Jabsco Handy Boy Utility Pump
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    Jabsco

    Jabsco Handy Boy Utility Pump

    Handy Boy Utility PumpVersatile polished brass multi-purpose hand pumpDrain, fill or top up engine and gearbox oilOvercomes problem of hard to reach drain plugs and filler capsOil and corrosion resistant brass neoprene construction with up to 1 1/2 GPM...
    $218.14
    $141.96
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