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Marine Plumbing & Ventilation - Bilge Pumps

Keep your vessel safe and dry with premium marine bilge pumps designed to remove unwanted water quickly and efficiently. Essential for recreational boats, fishing vessels, yachts, and commercial marine applications, reliable bilge pumps help protect your boat from water accumulation while supporting safe and dependable operation. Built for demanding freshwater and saltwater environments, our collection features durable bilge pumps engineered to withstand moisture, corrosion, vibration, and continuous marine use. Browse automatic bilge pumps, manual bilge pumps, submersible pumps, high-capacity models, float switches, replacement cartridges, hoses, wiring accessories, and installation components for a wide range of vessels. Designed for dependable water removal, energy-efficient operation, and long-lasting performance, these products help reduce maintenance and improve onboard safety. Featuring trusted marine brands recognized for quality and innovation, our Marine Plumbing & Ventilation – Bilge Pumps collection delivers reliable solutions for every boating application. Shop today and keep your vessel protected with confidence.

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  • Attwood Replacement Cartridge f/Tsunami 500 MK2 [5620-6]
    Attwood Marine

    Attwood Replacement Cartridge f/Tsunami 500 MK2 [5620-6]

    £14.56
    £21.60
    £14.56
    Replacement Cartridge for Tsunami 500 MK2Attwood replacement motor cartridge for T500 model Tsunami series bilge pumps. Sold per each.
    £14.56
    £21.60
    £14.56
  • Johnson Pump Ultima Bilge 1000 GPH 3/4" Hose Dura Port [32-47260-003]
    Johnson Pump

    Johnson Pump Ultima Bilge 1000 GPH 3/4" Hose Dura Port [32-47260-003]

    £78.96
    £132.24
    £78.96
    Ultima Bilge PumpUltimaBilge Pumps are the latest addition to the Johnson Pump brand lineup. Integration of the Ultima "field effect" sensing technology into the bilge pump body creates a sleek, reliable and compact unit with integrated switch ready to install and run for years...
    £78.96
    £132.24
    £78.96
  • Johnson Pump Electro Magnetic Float Switch 12V [36152]
    Johnson Pump

    Johnson Pump Electro Magnetic Float Switch 12V [36152]

    £41.39
    £69.49
    £41.39
    Electronic Float Switch 12vCompact mechanical switch offers a combination of reliable solid state electronics and a sealed float switch. False start prevention, no mercury, high impact plastic and encapsulated electronics adds up to dependability. Activates pump at 2" water level, deactivates pump at 3/4"...
    £41.39
    £69.49
    £41.39
  • Whale Gulper 320 High Capacity Waste/Bilge Pump 12V [BP2052]
    Whale Marine

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

    £158.69
    £232.70
    £158.69
    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 a decade of market leading pump technology.Gulper 320 - the easy access remote mount bilge pump designed to...
    £158.69
    £232.70
    £158.69
  • Johnson Pump 400 GPH 12V Bilge Pump - Barbed Port [JP-21405]
    Johnson Pump

    Johnson Pump 400 GPH 12V Bilge Pump - Barbed Port [JP-21405]

    £22.23
    £37.05
    £22.23
    400 GPH 12V Bilge Pump - Barbed PortA small, price-wise alternative in the submersible bilge family. The low-cost choice for boat owners who do not want to forsake quality.Features: Capacity straight (13.6V/27V): 30 I/min. - 475 GPH Voltage: 12 V DC Amperage: 2.5A Fuse...
    £22.23
    £37.05
    £22.23
  • Johnson Pump 1000GPH - 1250GPH Motor Cartridge Only [28512]
    Johnson Pump

    Johnson Pump 1000GPH - 1250GPH Motor Cartridge Only [28512]

    £36.03
    £60.68
    £36.03
    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:...
    £36.03
    £60.68
    £36.03
  • Johnson Pump Heavy Duty Bilge Pump 4000 GPH - 24V [40084]
    Johnson Pump

    Johnson Pump Heavy Duty Bilge Pump 4000 GPH - 24V [40084]

    £157.16
    £275.51
    £157.16
    Heavy Duty Bilge Pump 4000 GPH - 24VFeatures: Limited 1 Year Warranty  Capacities of 1600, 2200, or 4000 GPH Liquid-cooled, 12-pole motor with double ball bearings for extended service life The shaft of stainless steel (SS2343) The impeller is carefully designed and tested to...
    £157.16
    £275.51
    £157.16
  • Johnson Pump 750 GPH Motor Cartridge Only [28572]
    Johnson Pump

    Johnson Pump 750 GPH Motor Cartridge Only [28572]

    £32.19
    £53.21
    £32.19
    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:...
    £32.19
    £53.21
    £32.19
  • Rule 1100 Replacement Motor F/ Tournament Series Livewell Pump [47DR]
    Rule

    Rule 1100 Replacement Motor F/ Tournament Series Livewell Pump [47DR]

    £36.79
    £49.82
    £36.79
    1100 Replacement Motor F/ Tournament Series Livewell PumpRule 47DR 12v 1100 GPH Replacement Motor for Rule 405FC Livewell - Baitwell pump.WARNING: This product can expose you to chemicals including STYRENE which is known to the State of California to cause cancer. For more information...
    £36.79
    £49.82
    £36.79
  • BILGE-B-DRY Triple Pump - 12VDC [BBD-2025-123]BILGE-B-DRY Triple Pump - 12VDC [BBD-2025-123]
    BILGE-B-DRY

    BILGE-B-DRY Triple Pump - 12VDC [BBD-2025-123]

    £390.23
    £397.89
    £390.23
    Triple Pump - 12VDCBILGE-B-DRY is the world’s only Smart Device enabled Dry Bilge System on the market!Enjoy simple installation and customized scheduling control at your fingertips with our Mobile App for Apple or Android devices. Due to size and placement, traditional bilge pumps cannot...
    £390.23
    £397.89
    £390.23
  • Rule 2000 G.P.H. Non-Automatic Bilge Pump - 24V [12]
    Rule

    Rule 2000 G.P.H. Non-Automatic Bilge Pump - 24V [12]

    £131.09
    £176.32
    £131.09
    Rule 2000Non-Automatic 24VEngineered 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. 24 Volts DC .Voltage:24 (Vdc)Amp Draw: 4 (amp)Fuse Size:7.5 (amp)Height:152 (mm) 6 (inches)Width:108 (mm) 4-1/4 (Inches)Weight:1.3 (kg) 2-15 (lb)WARNING:...
    £131.09
    £176.32
    £131.09
  • Whale Gulper IC Waste Pump - 24V [BP2084B]
    Whale Marine

    Whale Gulper IC Waste Pump - 24V [BP2084B]

    £170.19
    £259.74
    £170.19
    Gulper IC Waste Pump - 24VWhale BP2084B Gulper IC Electric Grey Water Pump 19LPM, 24V for use with the Whale Grey IC and Gulley IC system.Features: Whale Gulper Technology Powerful multi-purpose wastewater pump For use in the Whale Grey IC and Gulley IC systems...
    £170.19
    £259.74
    £170.19
  • Jabsco Little Pal Utility Pump [34060-0010]
    Jabsco

    Jabsco Little Pal Utility Pump [34060-0010]

    £52.12
    £70.52
    £52.12
    Little Pal Utility PumpCompact polished brass multi-purpose hand pump Ideal for small engine and gearbox oil drain Simply pump old oil out with dipstick probe Oil and corrosion resistant brass and neoprene construction with up to 1 gpm output Small enough to fit any...
    £52.12
    £70.52
    £52.12
  • Shurflo by Pentair Standard Automatic Float Switch - 12/24 VDC [359-111-30]
    Shurflo by Pentair

    Shurflo by Pentair Standard Automatic Float Switch - 12/24 VDC [359-111-30]

    £29.89
    £46.09
    £29.89
    Standard Automatic Float Switch - 12/24 VDCThe SHURFLO series float switches provide the ultimate in reliability for your boat. Features: 3' Tinned Wire Assembly Non-Mercury Remote or Direct Mounting Ignition Protected 3 Year Warranty This product may not be returned to the original point...
    £29.89
    £46.09
    £29.89
  • Rule Rule 3700 GPH Non-Automatic Bilge Pump w/6' Wire [14A-6UL]
    Rule

    Rule Rule 3700 GPH Non-Automatic Bilge Pump w/6' Wire [14A-6UL]

    £221.56
    £310.49
    £221.56
    Rule 3700 GPH Non-Automatic Bilge Pump with 6' WireHeavy-duty construction for both commercial and pleasure boat use; known for trouble-free operation and reliability. 1-1/2" (38mm) discharge outlet. 12 Volts DC unless noted.Features: Fully Submersible Easy-clean snap-lock strainer Silent and vibrationless operation Anti-airlock protection Compact,...
    £221.56
    £310.49
    £221.56
  • Shurflo by Pentair 1500 Bilge Pump - 12 VDC, 1500 GPH [358-000-10]
    Shurflo by Pentair

    Shurflo by Pentair 1500 Bilge Pump - 12 VDC, 1500 GPH [358-000-10]

    £95.82
    £149.57
    £95.82
    1500 Bilge Pump - 12 VDC, 1500 GPHHeavy duty and built to last. SHURFLOs 1500 GPH nylon bilge pump offers a unique motor cooling system to ensure efficient performance and long life. Installation is a snap with our patented swivel base and 6' tinned...
    £95.82
    £149.57
    £95.82
  • Whale Gulper IC Waste Pump - 12V [BP2082B]
    Whale Marine

    Whale Gulper IC Waste Pump - 12V [BP2082B]

    £197.02
    £253.67
    £197.02
    Gulper IC Waste Pump - 12VWhale BP2084B Gulper IC Electric Grey Water Pump 19LPM, 24V for use with the Whale Grey IC and Gulley IC systemFeatures: Whale Gulper Technology Powerful multi-purpose wastewater pump For use in the Whale Grey IC and Gulley IC systems...
    £197.02
    £253.67
    £197.02
  • Whale Submersible Electric Galley Pump - 24V [GP1354]
    Whale Marine

    Whale Submersible Electric Galley Pump - 24V [GP1354]

    £30.66
    £42.04
    £30.66
    Submersible Electric Galley Pump - 24VWhale electric galley pump range includes models with the very latest electronic technology. All pumps are manufactured from only highest quality inhouse molded parts and robust motors.We have developed our pump designs based on more than 60 years of...
    £30.66
    £42.04
    £30.66
  • TRAC Outdoors Bilge Pump - 600 GPH - Non-Automatic [69300]
    TRAC Outdoors

    TRAC Outdoors Bilge Pump - 600 GPH - Non-Automatic [69300]

    £15.33
    £19.93
    £15.33
    Bilge Pump - 600 GPH - Non-AutomaticThe TRAC Outdoor 69300 Bilge Pump is a self priming, 12V centrifugal pump that's ideal for use in all watercraft.  With a cartridge style pump head and universal strainer base, this pump was designed for easy installation and...
    £15.33
    £19.93
    £15.33
  • Johnson Pump 18" Hand Pump w/Hose [20195-1W]Johnson Pump 18" Hand Pump w/Hose [20195-1W]
    Johnson Pump

    Johnson Pump 18" Hand Pump w/Hose [20195-1W]

    £19.93
    £32.14
    £19.93
    18" Hand Pump with HoseManual 8 Stroke Piston Utility Pump with 18" Hose by Johnson Pump. Light tough durable easy handling, extra fast pumping hand pumps are ideal stow aboard. Comfortable handle grip and extra-large capacity make manual pumping somewhat less of a chore....
    £19.93
    £32.14
    £19.93