Water maker

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Jan 26, 2010
14
Beneteau 473 San Diego
I am considering purchasing a water maker for my boat, but don't want to spend billions of dollars. Does anyone have experience with portable or 'low cost' (ie., < $1,000) units? Something that would make several gallons an hour would suffice. Thanks!
 
Feb 26, 2004
23,356
Catalina 34 224 Maple Bay, BC, Canada
Then by all means, get a small one! Really.

But what's most important is that you need to explain what you are intending to use it for. If for "normal" regular use on a cruise, experience indicates that smallest isn't necessarily better. In fact, the next biggest size up, which makes more gallons per day (or per hour), may actually be more efficient in amps per gallon than a smaller one. This happened to a friend of mine who did this exercise.
 

Tim R.

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May 27, 2004
3,626
Caliber 40 Long Range Cruiser Portland, Maine
The parts alone will cost more than $1,000 typically. They are not overly complex and can be home built. There are plans on the internet for doing this.
 
Jul 1, 2004
567
Hunter 40 St. Petersburg
I'll chime in

not because I'm cruising with a watermaker but because I just got back from living with some former neighbors who are in the San Blas. They all have watermakers (PUR and Little Wonder) and the ONE thing EVERY one of them said was - get the biggest one you can manage.

As Stu says, it'll depend on what you want it to do. If it's just an emergency backup to hold you over until you can get to civilization then cheap and low output may do. If you intend for it to be your main source of water because you'll be away from good sources (like in the San Blas islands) then small capacity will drive you nuts and even $1000 (good luck) will be wasted because you'll be running it non-stop to keep up. Did I mention they're noisy?

The only person who loves his is a former neighbor (I live in a marina) who built his own as Tim suggests. The high pressure pump is engine driven and it is capable of putting out 60 gallons per hour. Oh, and it cost him about the same as the guy who installed his 8 GPH Little Wonder.

The other reason for a build-your-own approach is that watermakers are a maintenance-heavy device (despite what the manufacturers would have you believe.) If you don't have the desire to involve yourself this deeply I'd strongly consider not having one at all.
 
Jan 22, 2008
8,050
Beneteau 323 Annapolis MD
Ditto Rick on the high-maintenance factor. That's in every article I've ever read about them.
 
Jan 26, 2010
14
Beneteau 473 San Diego
Thanks all, good info. Yes, the $1000 is a pipe dream; my thought had been 'emergency until I get to port', but perhaps that's short sighted.
 
Jun 2, 2004
5,802
Hunter 37-cutter, '79 41 23' 30"N 82 33' 20"W--------Huron, OH
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