Attwood Tsunami 800 GPH Ballast Pump

Attwood Tsunami 800 GPH Ballast Pump

Attwood Tsunami 800 GPH Ballast Pump


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Whether for use in a new ballast system, or replace a failed factory pump, the Attwood Tsunami 800 is a fantastic choice.

The Attwood Tsunami 800GPH centrifugal ballast pump is a dependable, long-lasting, compact and inexpensive aerator style wakeboard ballast pump. The low price, reliable reputation, and speedy 800GPH speed rating make this wakeboard ballast pump one of our best sellers. And thanks to the replaceable cartridge motor design, if the pump does fail, simply install a new cartridge, and you essentially have a brand new pump. Compared to expensive reversible pumps that need to be completely replaced if they fail, the Attwood Tsunami 800 is a great value.

For flexibility, we allow you to choose from the following discharge fittings based on the best option for your application. Please note that no discharge connection is included with the pump, so you will need one of the below adapters.

This pump is a direct replacement for the ballast pumps used on all Malibu wakeboard boats, and the drain pumps used on Centurion, Supra and Moomba wakeboard boats during the mid-2000s. For durability, the housing is made of a rugged fiberglass and mineral filled polymer that will easily withstand a pounding in rough water and is resistant to chemicals and petroleum.

With 3/4" inlet and outlet threads, this pump can be adapted to fit most applications with the various fittings we offer, but will most commonly be used in a system that utilizes 3/4" hose and connections. The inlet thread is 3/4" NPT, so it will mate directly to our 3/4" ball valve for intake applications, or can be threaded to any standard 3/4" NPT pipe fitting for the ultimate in flexibility.

Warranty 1 Year
Manufacturer Attwood - view brand page
Manufacturer Part # 4651-1
Item # 22001


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  • 7/27/2015

    Just like OEM

    This was an excellent replacement for my OEM pumps that came in my Malibu. Easy install, and twice as fast.

    Nathan Green

  • 6/24/2015

    Easy Replacement

    This was a quick, easy, and cheap replacement for the factory Attwood fill pumps on my 2005 Super Air Nautique.

    Nicholas Heimer

  • 3/2/2015

    Change your stock pumps for half the cost!

    Definitely have a lot of experience with Tsunami products, but coupled with the fact that they cost 50% less than the OEM Piranhas - I was stoked to make the change!

    Now post project, the install took more determination than simply swopping pumps and splicing wire. For example, the stock pumps are basically glued to the fittings that attach them to their respective ballast tank. When trying to remove the old pump & housing, you most likely won't be able to simply unscrew the old housing and replace it. (Surely that's the reason a lot of folks choose to stick with the OEM pump & replace the cartridge only.)

    I had to remove the starboard rear floor panel to reveal the hard tank, because when trying to remove the old pump housing the fitting popped right out of the hard tank! That's when I discovered how nearly impossible it would have been to simply unscrew the housing from the fitting. It was super difficult to remove it using tools in a convenient work location. The mid-ship pumps were easier to access so I was able to get those broke loose, but again be prepared to use some muscle to break the factory PVC glue seal!

    Fired up for Spring and stoked to have fully functional ballast!!! Thanks WakeMAKERS! Great customer service; thanks for calling me back.

    Elliott Dollar

  • 1/31/2015

    Great pump Great factory Replacement

    This pump fit great super easy to install on my 2004 Moomba lsv. The Wakemakers team made my order so easy over the phone and help me get everything I needed.

    Jordan Covil

  • 1/22/2015

    Great Pump

    Awesome pump, fills fast enough with 3/4 fittings. Drains with ease. Can not fault so far and have used many times.

    Chris Lackman

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