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Old     (lakerat34)      Join Date: Nov 2009       03-23-2010, 4:33 AM Reply   
I've been reading everybody's postings and debating on which direction to go, with not having alot of money on hand I've been trying to decide to just piece together a Jabsco ballast system here and there or go the cheaper route and install the ballast system with the tsunami 1200 pumps. To me, the Jabsco pumps is the better way to go or is it? Just wondering if I would be just as happy with the tsunami pumps for the price. Any suggestions?
Old     (you_da_man)      Join Date: Sep 2009       03-23-2010, 5:26 AM Reply   
Seems like the Johnson reversible pumps are the way to go according to some of the reviews on it vs. the Jabsco and they are a few dollars cheaper. Also, people are wanting to use the 1200 but are finding it has an unusual thread pattern making fittings kinda difficult to find so they opt for the 800
Old     (tuneman)      Join Date: Mar 2002       03-23-2010, 7:22 AM Reply   
As long as you design the system correctly so that you don't allow water to go in or out when not pumping, the Tsunami pumps are superior. They are virtually silent and pump twice as fast.

If you want simple, the Jabsco pumps tend to be less of a hassle. However, they are loud and they pump slow. You may not think a little noise would be bothersome, but it's a constant wirr for 10 minutes or more. So, either crank up the tunes or go Tsunami.
Old     (tampawake)      Join Date: Mar 2008       03-23-2010, 9:46 AM Reply   
Does anyone know if the Johnson pumps use the same impellers as the Jabsco????
Old     (bkoz)      Join Date: Dec 2005       03-23-2010, 10:29 AM Reply   
I just installed Tsunamis but havent used them yet. Is it really any cheaper over the Jabsco? I mean you need the vented loops, twice as many pumps, way more hose, wiring ect.......

Last edited by bkoz; 03-23-2010 at 10:32 AM.
Old     (tre)      Join Date: Jul 2002       03-23-2010, 11:30 AM Reply   
I've used both types of pumps. As stated above, I'm not sure either one has a price advantage when the total system cost is added up. If you do a 100% perfect install, the Tsunami will work well. If the install is just slightly off (pump a couple inches too high, etc), your bags will not fill, not empty, fill on their own, pumps will cavitate, etc, etc. Maybe it was me but I was always tweaking my aerator pumps (Like rule and tsunami). No worries with the Jabsco (or other self priming pump) since they will prime no matter where they are or what is going on. My Jabsco pumps also empty the bags 100% where there was always water left with the other system. I don't know if the Jabsco pumps are under rated or the tsunami and rule pumps are over rated but I don't find the Jabso pumps to be any slower (though they should be on paper). I fill or empty 2600lbs of ballast with 3 Jabso pumps in 10 min. One other nice plus is that you only need to do 1/2 the pluming with a reversible pump since you don't need separate fill/empty pumps.

All that said, I've spent way more time with aerator pumps so I'm very familiar with the downfalls. I had aerator pumps for last 10 years. Now that I have the self priming, I love the difference and would never go back. I don't know how long the Jabsco pumps will last but they are more $$ to replace if one went bad. It also sounds like impellers need replacement every so often (I've not owned them long enough to worry about that yet). Aerator pumps are maintenance free. My old aerator pumps were slowing down and harder to prime year after year. Not sure if it was the pumps getting old or something else was going on but fill/empty time went up a lot over the years (I used rule aerator pumps and tsunami both). I replaced an old pump and that part of the system was fast again.

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