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Attwood WaterBuster Portable Pump Review

Attwood WaterBuster Portable Pump
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The Attwood WaterBuster Portable Pump is so portable it does not even need an electrical outlet. It is the ideal solution for pumping out watercraft from kayaks to canoes to inflatables. Although Atwood Marine Products originally designed it for removing water in any watercraft without its own electrical system, it has been put to a myriad of uses by homeowners and hobbyists who need a quick, temporary tool to transfer moderate amounts of water.

Measuring only 6.375 inches high with a diameter of 5.25 inches, it is easily stowed in any small craft or under a vehicle seat. It takes three alkaline D-cell batteries, which will keep it pumping up to five hours. The pump is rated to move 200 gallons per hour, so it can drain a small boat in short order on a single charge.

The clear output hose is 42 inches long and wraps neatly around the waist of the pump for compact storage. The far end of the hose terminates in a male garden hose adapter so it can be lengthened to suit the application. Water lift is up to 40 inches.

Water to be pumped enters through the bottom of the WaterBuster, so you simply place it upright in the pool of water you want transferred. A removable bottom screen acts as both a debris filter and ballast. With the screen in place, the pump will sink to the bottom. Without the screen, the pump floats and can be positioned by hand using the built-in handle.

A quick twist of the top cover exposes the batteries and wiring. The interior of the battery compartment is made waterproof by a perimeter O-ring that requires a thin film of petroleum jelly to maintain the seal. After use, dry it thoroughly and store it on a shelf for the next use.

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Attwood WaterBuster Details:

Pump type:Battery-operated submersible utility pump
Manufacturer:Attwood Marine Products
Float/Switch type: Attwood Marine Products
Cord length:N/A
Inlet style:Bottom suction with debris screen
Discharge size:Standard garden hose
Housing material:High-impact plastic
Base material:High-impact plastic
Recommended sump diameter:N/A
Voltage/Amperage: 4.5VDC from three D cells
Pumping Capacity:200 GPH up to 40-inch head
Dimensions:6.5 inches high, 5.2 inches wide, 5.2 inches deep
Weight:under 2 lbs.
Price Range:under 2 lbs.
Back-flow valve:None
Warranty:30-days money back

Attwood pumpThis is obviously a small-capacity pump with only three D cells of juice, so most negative sump pump reviews from disappointed buyers can be chalked up to unrealistically high performance expectations. This is a great pump for clearing water from your pool cover, but it is not going to pump out the pool. One buyer does use it to empty her spa and claims it moves those 850 gallons in just two hours however.

Despite its budget price and limitations, it is a well-made pump that is just the ticket on boating or camping trips. It comes in very handy for emptying a clogged sink or as an emergency sump pump during a power outage. It is so cheap and small that buying one to keep in your utility closet and one for your recreational vehicle makes perfect sense.

More than one buyer noted a problem with a corroded switch, so it is a good idea to follow the advice in the manual to dry out the battery compartment after each use with a hair dryer. When pumping, if you place the end of the outlet hose below the pump, you can switch off the pump and it will continue to siphon, which significantly extends battery life. A final tip is to only use alkaline D cells with this pump as only that type can keep up with the current draw.

4.2 Overall
  • Totally portable, no power cord
  • Sufficient power and battery life to remove up to 1000 gallons
  • Switch is easily corroded if not kept dry
Value for the Money
The Attwood WaterBuster portable pump is clearly not the strongest pump on the block, but then it does not need to be. It is fantastic for pumping out small boats and as a general-purpose, clean water utility pump for shop, garden, kitchen and laundry room use. It is one of those tools that once you own it, you make an endless list of uses for it. The fact that it requires no outlet is icing on the cake.

Although it does get dinged in our rating for a few quality issues and a less than bullet-proof build, it is still a fantastic value at around 30 dollars. That will seem like an extremely small price to pay the next time you need to pump out a sink, a tub or clean up after a plumbing leak. is a participant of the Amazon Services LLC Associates Program, an affiliate advertising program – it is designed to provide an aid for the websites in earning an advertisement fee – by means of advertising and linking to products.

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