A bilge pump is a mechanical device used to remove water from a boat’s bilge. The bilge is the lowest part of the boat where water collects, especially after rain or in rough seas.
Which Are The Best Boat Bilge Pumps From Our Choice
Here is a quick recap of our top 10 picks that lets you compare each product with another and allow you to choose the best one.

10 Best Boat Bilge Pumps People Love In 2022: In Depth Features
- Flow Rate: 1100 GPH; Voltage: 12 VDC
- Flow: 1100 gallons per hour or 5000 L / hour, Head: 13 Ft (4mts), Outlet Dia. 1-1/8" (29mm)
- Typical Uses: Suitable for hydraulic systems fed with cold water—used in line to be fed by gravity or pressure
- Ideal For Fishing Boats, Cruisers, Runabouts, Yachts, Etc
- Built for the harsh marine environment, are suitable to withstand the most adverse condition. The water-cooled engine ensures a long service life
- Included Components: Rule 02 Higher Capacity Bilge Pump - 1500 Gph, 5678 Lph, 12V
- Material Type: Canvas
- Sport Type: Boating
- Flow Rate (GPH): 1100GPH; Volt: 12V; Current(A): 3.8A; Head(M): 3.0M
- Wire Lead(M): 1m; Outlet Diameter: 29mm/ 1.14 Inch (1-1/8"); Width: Approx. 81mm
- Built-in float switch! (No separate float switch is needed)
- No power use until pump is activated by internal float switch (when water level rises)
- Equipped with built in electronic controlled reed sensor system for easy fully automatic operation
- Flow capacity: 2000 Gallons per hour ( 7570 Litres per hour), 12 Volts DC
- Heavy duty motors with stainless steel shafts and tough thermoplastic bodies
- Totally submersible and ignition protected
- To all existing safety standards ( CE, ROHS, ISO9001:2008 Approved)
- 2 years warranty
- Efficiently clears unwanted water from the bilges
- Submersible with marine-grade tinned wires
- Ignition and anti-airlock protection
- Rated 2 amps at 12 volts
- Fits 3/4 inch hose
- What you will get: the package contains 1 piece of 12 V boat bilge water pump and 1 piece of automatic boat bilge pump float switch, nice combination for you to drain the water easily
- Basic parameters: the flow of the pump is 1100 gallons per hour, the flow rate is 1100 GPH, the voltage is 12 V DC, and the head is 13 ft (4mts); Outlet diameter: 1-1/8 inch/ 29 mm, cable length: 3.3 ft/ 1 m; The float switch's max amps 12 volts: 20 A; Max amps 24 volts: 10 A; Max Amps 32 volts: 8A; The wire length is 3.3 ft/ 1 m, the wire gauge size is 18 AWG
- Electric bilge pump: the electric bilge pump is great for you to drain water efficiently, which has a good motor and help drain the water efficiently; It is a good forhydraulic systems fed with cold water and can be applied in line to be fed by gravity or pressure
- Automatic boat bilge pump float switch: the float swith is automatic, it will turn the boat bilge pump on when water level reaches 2 inch (51 mm), and it will turn the pump off when water level reaches 0.7 inch (19 mm); It is good flow sensor for bilge pumps, and it features with a removable base for easy cleaning
- Wide range of application: the boat bilge pump and automatic float switch can be applied for fishing boats, cruisers, runabouts, yachts and most marine, RV, etc.; And it can also be applied in aquarium, small swimming pool, fountain and other places that need drain the water
- Automatic mode connection :Contect black wire to negative,Contect brown white wire to positive,,brown no wiring.Non-Automatic mode connection :Contect black wire to negative,Contect brown wire to positive,,brown white no wiring.
- Equipped with built in electronic controlled reed sensor system for easy fully automatic operation
- No power use until pump is activated by internal float switch (when water level rises)
- Wire Lead(M): 1m; Outlet Diameter: 19mm/ 3/4"; Width: Approx. 81mm
- Flow Rate (GPH): 750GPH; Volt: 12V; Current(A): 3A; Head(M): 3.0M
- Flow Rate: 1100 GPH; Voltage: 12 VDC
- Flow: 1100 gallons per hour or 5000 L / hour, Head: 13 Ft (4mts), Outlet Dia. 1-1/8" (29mm)
- Typical Uses: Suitable for hydraulic systems fed with cold water—used in line to be fed by gravity or pressure
- Ideal For Fishing Boats, Cruisers, Runabouts, Yachts, Etc
- Built for the harsh marine environment, are suitable to withstand the most adverse condition. The water-cooled engine ensures a long service life
- Compact, automatic, fully submersible electric pump
- Built-in float switch! (No separate float switch is needed)
- Equipped with built in electronic controlled reed sensor system for easy fully automatic operation
- No power use until pump is activated by internal float switch (when water level rises)
- Compact, efficient, long life motor ; Rustproof and corrosion resistant; Stainless steel shaft; High-impact durable plastic housing
- Reliably provides bilge water pumping for boats of any size
- Meets automatic switch pump requirements for any vessels 20 feet and over with sleeping accommodations
- Also convenient and useful for boats of any size
- Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit
- Installs quickly and easily in tight spaces, mounts horizontally only
How To Choose The Best Boat Bilge Pumps
Not every boat bilge pumps comes with the same specifications & price. So, you should choose the one that will serve your purpose and save your wallet.
The best boat bilge pumps are those that are specifically designed for boatkeeping. These pumps are important for removing salt, water, and other contaminants from the bilge environment of a boat. Additionally, they are necessary for maintaining the cleanliness of the bilge space and the associated equipment and software functions. There are a number of different type and size of boat bilge pumps available on the market, so it’s important to choose one that will fit your specific needs and budget. Here are some tips on how to choose the right pump: -Choose a reputable company that has a good reputation for quality and performance. -Check that the pump is specifically designed for boatkeeping. -Check that the pump is able to remove all solids and liquids from the bilge environment. -Check that the pump is comfortable to use and that there is an infused water reservoir enough for large volumes of water. -Check that the pump has a remote control range of around 1-1,000 feet or 0-0,25 kilometers.
Related Frequently Asked Questions
How Do I Know What Size Bilge Pump I Need?
To determine whether a bilge pump is needed, it is important to understand its dimensions, weight, and performance. Once you know the size, you can determine the weight and size of the bilge pump.
When Should The Bilge Pump Be On?
The bilge pump should be on when the water is fresh, since salt water baptism can lead to off-tanks and MCLR issues. It should be off when the water becomes sour or when there is a increases in temperature.
Does A Boat Need A Bilge Pump?
Yes, a boat needs a bilge pump to keep the water level in the bilge room constant.
Should I Leave My Bilge Pump On?
There is no definitive answer, as the bilge pump depends on the water temperature in each particular ocean. It is best to experiment and see what works best for your cirrusy or muddy environment.
Final Thoughts
Boat bilge pump are an essential part of any boat. They help to prevent flooding, and have the ability to directions water flow.