10 Best Bilge Pump 12v Automatic with Float Switch in the UK 2025

Updated on 16/07/2025
#1
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  • Outlet diameter of 19mm (3/4") and a flow rate of 750 GPH (47 LPM)
  • 12V voltage with a current of 3.8A, ensuring efficient power usage
  • Durable motor with a stainless steel shaft and high-impact plastic housing for longevity
  • Integrated float switch for automatic pump activation based on water level
  • Electronic-controlled reed sensor for seamless automatic operation
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  • Outlet diameter of 19mm (3/4") and a flow rate of 750 GPH (47 LPM)
  • 12V voltage with a current of 3.8A, ensuring efficient power usage
  • Durable motor with a stainless steel shaft and high-impact plastic housing for longevity
  • Integrated float switch for automatic pump activation based on water level
  • Electronic-controlled reed sensor for seamless automatic operation
#2
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  • Efficient energy usage with low current consumption and high capacity output.
  • Compact and lightweight design for space-saving and quiet operation with minimal vibration.
  • High flow rate capability for fast water drainage.
  • Automatic operation with clear wiring instructions; only one mode can be used at a time.
  • Fully submersible and ignition protected, featuring an anti-airlock design and moisture-tight seal.
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  • Efficient energy usage with low current consumption and high capacity output.
  • Compact and lightweight design for space-saving and quiet operation with minimal vibration.
  • High flow rate capability for fast water drainage.
  • Automatic operation with clear wiring instructions; only one mode can be used at a time.
  • Fully submersible and ignition protected, featuring an anti-airlock design and moisture-tight seal.
#3
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  • Flow rate of 1100 GPH and operational voltage of 12 V with a current of 3.8 A, compatible with 29mm or 1-1/8 inch hoses.
  • Automatic operation with no float switch needed; the pump activates as water rises and deactivates as water is removed.
  • Constructed with durable, wear-resistant ABS plastic, fully waterproof; features corrosion-resistant tin-plated copper wiring.
  • High efficiency with low current consumption and a quiet, vibrationless performance.
  • Versatile applications include use in marine vessels, swimming pools, fountains, ponds, flood control in basements, spas, and construction sites.
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  • Flow rate of 1100 GPH and operational voltage of 12 V with a current of 3.8 A, compatible with 29mm or 1-1/8 inch hoses.
  • Automatic operation with no float switch needed; the pump activates as water rises and deactivates as water is removed.
  • Constructed with durable, wear-resistant ABS plastic, fully waterproof; features corrosion-resistant tin-plated copper wiring.
  • High efficiency with low current consumption and a quiet, vibrationless performance.
  • Versatile applications include use in marine vessels, swimming pools, fountains, ponds, flood control in basements, spas, and construction sites.
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#4
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  • Outlet diameter measures 29mm (1 1/8 inch) with a flow rate of 1100 GPH (70 LPM).
  • Features a compact and efficient motor with a stainless steel shaft and durable plastic housing.
  • Includes a built-in float switch, eliminating the need for a separate float switch.
  • Power is only consumed when the pump is activated by the internal float switch, triggered by rising water levels.
  • Equipped with an electronically controlled reed sensor for fully automatic operation.
  • Suitable for use in RVs, fishing boats, electric motor boats, runabouts, and yachts.
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  • Outlet diameter measures 29mm (1 1/8 inch) with a flow rate of 1100 GPH (70 LPM).
  • Features a compact and efficient motor with a stainless steel shaft and durable plastic housing.
  • Includes a built-in float switch, eliminating the need for a separate float switch.
  • Power is only consumed when the pump is activated by the internal float switch, triggered by rising water levels.
  • Equipped with an electronically controlled reed sensor for fully automatic operation.
  • Suitable for use in RVs, fishing boats, electric motor boats, runabouts, and yachts.
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#5
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  • Compact design allows for high efficiency and significant flow rates even under near overload conditions, ensuring reliable performance.
  • Operates at high efficiency with low current consumption, making it compatible with battery and solar panel connections. Maximum delivery head of 3.8 meters and a flow rate of 1100 GPH.
  • Features a built-in float switch for automatic operation based on water levels, along with an electronic control reed sensor for effective performance without manual intervention.
  • Fully waterproof and suitable for complete submersion, with an anti-air lock design and moisture-proof seals to prevent ignition hazards. Easy installation with a snap-lock sieve base and removable filter for maintenance.
  • Equipped with a large outlet for rapid drainage, ideal for efficient operation when connected to a 12-volt battery on a boat.
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  • Compact design allows for high efficiency and significant flow rates even under near overload conditions, ensuring reliable performance.
  • Operates at high efficiency with low current consumption, making it compatible with battery and solar panel connections. Maximum delivery head of 3.8 meters and a flow rate of 1100 GPH.
  • Features a built-in float switch for automatic operation based on water levels, along with an electronic control reed sensor for effective performance without manual intervention.
  • Fully waterproof and suitable for complete submersion, with an anti-air lock design and moisture-proof seals to prevent ignition hazards. Easy installation with a snap-lock sieve base and removable filter for maintenance.
  • Equipped with a large outlet for rapid drainage, ideal for efficient operation when connected to a 12-volt battery on a boat.
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#6
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  • Designed for diverse marine applications, this switch helps protect submersible pumps from excessive current to prevent motor damage.
  • Features a MAN-OFF-AUTO switch position, enabling control of any 12V or 24V DC bilge pump via an automatic float switch for ease of use.
  • Includes a built-in fuse holder and a visible three-position switch, enhancing safety and eliminating the need for external fuses.
  • Constructed with advanced manufacturing techniques, the switch has a black panel and an LED indicator, making it user-friendly with manual control options.
  • Made from durable black aluminum plate for high strength, wear resistance, rust protection, and long-lasting performance.
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  • Designed for diverse marine applications, this switch helps protect submersible pumps from excessive current to prevent motor damage.
  • Features a MAN-OFF-AUTO switch position, enabling control of any 12V or 24V DC bilge pump via an automatic float switch for ease of use.
  • Includes a built-in fuse holder and a visible three-position switch, enhancing safety and eliminating the need for external fuses.
  • Constructed with advanced manufacturing techniques, the switch has a black panel and an LED indicator, making it user-friendly with manual control options.
  • Made from durable black aluminum plate for high strength, wear resistance, rust protection, and long-lasting performance.
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#7
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  • Submersible 12V bilge pump with a flow rate of 750 GPH (approximately 47.3 liters per minute).
  • Integrated float switch eliminates the need for a separate float switch.
  • Automatic mode requires connection of the brown and white wires to the anode; brown wire is for manual operation.
  • Durable construction with rustproof materials, stainless steel shaft, and high-impact plastic housing.
  • Suitable for various applications including marine use, fish farming, and household tasks.
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  • Submersible 12V bilge pump with a flow rate of 750 GPH (approximately 47.3 liters per minute).
  • Integrated float switch eliminates the need for a separate float switch.
  • Automatic mode requires connection of the brown and white wires to the anode; brown wire is for manual operation.
  • Durable construction with rustproof materials, stainless steel shaft, and high-impact plastic housing.
  • Suitable for various applications including marine use, fish farming, and household tasks.
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#8
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  • Activation occurs at 50 mm water level; deactivation at 20 mm.
  • Features a combined pump and switch, eliminating the need for a float switch; equipped with an anti-fouling impeller.
  • Automatically activates when water level increases and deactivates when water is removed.
  • Designed for dry operation, compatible with saltwater, operates quietly, with industrial-standard mounting.
  • Specifically engineered to prevent pumping of engine oil from the bilge, ensuring proper pump function.
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  • Activation occurs at 50 mm water level; deactivation at 20 mm.
  • Features a combined pump and switch, eliminating the need for a float switch; equipped with an anti-fouling impeller.
  • Automatically activates when water level increases and deactivates when water is removed.
  • Designed for dry operation, compatible with saltwater, operates quietly, with industrial-standard mounting.
  • Specifically engineered to prevent pumping of engine oil from the bilge, ensuring proper pump function.
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#9
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  • Ignition protection to prevent pump burnout from high currents, designed to run dry without damage. Quick-release strainer for simplified maintenance.
  • Constructed from durable PVC and copper materials, resistant to rust and corrosion. Operates silently with minimal vibration, features anti-air lock functionality.
  • Compact water-cooled motor designed for efficiency and longevity. Includes a built-in float switch for automatic operation based on water levels; simple installation and silent operation.
  • Small yet highly efficient design with low current consumption, paired with high flow capabilities. Features an electronic controlled reed sensor for fully automatic performance.
  • Robust housing with water and moisture-resistant seals. Highly efficient operation with low power draw while delivering strong output.
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  • Ignition protection to prevent pump burnout from high currents, designed to run dry without damage. Quick-release strainer for simplified maintenance.
  • Constructed from durable PVC and copper materials, resistant to rust and corrosion. Operates silently with minimal vibration, features anti-air lock functionality.
  • Compact water-cooled motor designed for efficiency and longevity. Includes a built-in float switch for automatic operation based on water levels; simple installation and silent operation.
  • Small yet highly efficient design with low current consumption, paired with high flow capabilities. Features an electronic controlled reed sensor for fully automatic performance.
  • Robust housing with water and moisture-resistant seals. Highly efficient operation with low power draw while delivering strong output.
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#10
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  • Compact design with a high flow rate of 1100 GPH and low energy draw of 3A, ideal for space-constrained boats.
  • Features an automatic float switch for hands-free operation, activating based on water levels and providing reliable performance.
  • Constructed from durable, fully submersible ABS material, designed for harsh marine environments with moisture-tight seals.
  • Efficiently handles large water volumes with low energy consumption, compatible with 12V boat batteries and solar panel systems.
  • Easy to install with included wiring and a snap-on strainer base for quick maintenance, featuring a 25mm outlet for rapid drainage.
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  • Compact design with a high flow rate of 1100 GPH and low energy draw of 3A, ideal for space-constrained boats.
  • Features an automatic float switch for hands-free operation, activating based on water levels and providing reliable performance.
  • Constructed from durable, fully submersible ABS material, designed for harsh marine environments with moisture-tight seals.
  • Efficiently handles large water volumes with low energy consumption, compatible with 12V boat batteries and solar panel systems.
  • Easy to install with included wiring and a snap-on strainer base for quick maintenance, featuring a 25mm outlet for rapid drainage.
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