




First off, I found out that there's two styles of Tsunami pumps. The ones on ebay and amazon are typically the ones that have the weird 1 1/8 thread that you can't find hardly anything to mate up with. The ones that wakemakers sells are a smidge more expensive, but they have the inlet that's 1" NPT and that's TOTALLY worth it because it'll screw directly into a 1" ball valve or an elbow or whatever typical plumbing stuff you're using from the thru hull.
What I found is that our Factory intake is a "scupper" and would have forced water into the pumps even when they were turned off.
I chose to go with dedicated thru-hulls for each of my 3 pumps. I could have possibly gone with fewer and a Tee, but I wanted to do it right from the start.
I am finding that had I gone with reversible, it would have most certainly made for an easier install. I'm still okay with my decision, because I do think I'll still have a faster system in the end, but the cost difference between reversible and aerators (if you're upgrading your hoses and everything) starts to narrow. especially when you have to make trips to the plumbing store for more pieces. The factory thru-hull with the scupper could be reused with a reversible pump.
The pumps off ebay and amazon with the 1 1/8 on the intake are fine for your drain pumps though.
I chose to have separate thru hulls for my drain and vent also, because it was cheaper to buy another thru-hull than to buy a Tee and a check valve.
Honestly it's hard to piece together an upgrade because I've found that if you simply upgrade to 3 pumps, you'll have to deal with the scupper forcing water through them when off (i.e. new thru hulls or grinding off the fins of the scupper) and you'll also have to deal with whether the 3/4" thru hull is really enough for 3 pumps at once. Then you're hooking 3/4" hose to the pumps... If you ever decide to go to larger diameter hose (1" or 1 1/8") then you're possibly having to replace some of the fittings you just bought.
I did contemplate going with 1" lines on the fill side and then 3/4 on the drain side, because then I could reuse a lot of my 3/4" bag fittings and stuff on the drain side and save a little bit of money that way... But in the end, I'm leaning towards going with bigger lines all around, even if it means I'm blowing a little more money on the front end.
2008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...
1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.
Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.
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