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Go Back   SailNet Community > On Board > Gear & Maintenance > watermaker
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Topic Review (Newest First)
02-05-2009 03:59 PM
joethecobbler I just bought a pair of PUR/ Katadyn watermakers from a gentleman. He said theywere aboard the boat w/ other items from the previous owner.
one 40e and a powered 35 also a spare electric motor,alkaline and bio stuff and seal kits for the 35 I believe.
I "cleaned the 35 and the 40 w/ the solution as per the owners/operators manual and the 35 quite pumping, I then dissassembled the 35 and it was dirty inside. I cleaned and re-assembled w/ the old o-rings and such. tested it (35) by running seawater through it and the output was impressive and it "tasted" fine. no salt or other taste or odor.
I would like to get a TDS metor and a Salinity metor or method to test the water futher before I injest any quantity !
But for a couple hundred dollars I feel pretty good about the purchase.
Now I just have to decide if I want to install them both or just one and trade/sell the other. Plenty of reasons to do either. ..... Decisions, decisions...
01-26-2009 07:31 PM
xort I sent an inquiry to APEC, the maker of the watermaker being discussed here. This is their response:

Thank you for your interest with APEC Water Systems.
Our systems are designed for Fresh Water use. Our membrane will not be able to filter out Salt water. RO systems can treat up to 2000 TDS (total dissolved solids). Salt water has a TDS of about 15,000 tds, so it will clog up the filters and membrane right away.
You will need to use a Salt Water System
01-25-2009 02:19 PM
erps
Quote:
Originally Posted by blueskyonmars View Post
I suppose i am in pretty good shape , we use no motor on our dink, no windlass for the anchors 90 lb fisherman and a 60 lb cqr, and we have no winches for our main or for sail. But like i said it there to make shower water mostly and we didn't pump for four hours a day, Just a bit when ever as most of you know when you out you have plenty of time for everything. But that system does work for salt water. We like many i am sure don't have an extra 4 grand laying around to throw at a secondary water system. The well pump all tho a bit large really is not difficult to pump my wifes 27 and she has no trouble pushing and pulling.
The community could benefit greatly here if you could explain your setup in a little more detail. Got any pictures? What model or make is your well pump? Are there pickling procedures that you have to follow for your R/O filter?
01-25-2009 10:24 AM
xort Not even a manual winch for a 90 lb anchor?
You boat must be fairly large to require that big an anchor and you don't have any winches for any of the sails?

Even if the pumping by the well pump is easy, the system only produces 1.5 gallons per hour. You say you use it for showers. If you want 2 or 3 gallons of water for a shower you need to pump continiously for 2 hours. This isn't a matter of strength but of time. Dedicating 2 hours to pump out enough water seems like a stretch.
Please elaborate. How long do you pump to generate 2 gallons of water?
01-25-2009 01:42 AM
blueskyonmars I suppose i am in pretty good shape , we use no motor on our dink, no windlass for the anchors 90 lb fisherman and a 60 lb cqr, and we have no winches for our main or for sail. But like i said it there to make shower water mostly and we didn't pump for four hours a day, Just a bit when ever as most of you know when you out you have plenty of time for everything. But that system does work for salt water. We like many i am sure don't have an extra 4 grand laying around to throw at a secondary water system. The well pump all tho a bit large really is not difficult to pump my wifes 27 and she has no trouble pushing and pulling.
01-24-2009 08:52 PM
erps 100 psi with a manual water pump sounds like something that would keep you in pretty good shape aerobically and physically. We had a little "whale" foot pump on one of our boats that moved quite a bit of water, but I don't think it got over 10 psi, best estimate.
01-24-2009 08:39 PM
xort Manual? At 1.5 GPH??? Do you pump continously for 4 hours per day?

Did you look into what a 12 volt pump could do with this system?
01-24-2009 07:59 PM
blueskyonmars we are using a manual well pump we only get up to100 psi on the sea water feed side . That manages to push it threw.
01-24-2009 10:56 AM
xort blue
How did you pump the water through? Did you set up a separate high pressure pump from your sea water intake?
What pump was this? How much amperage did it use?
01-24-2009 10:45 AM
blueskyonmars no we have pumped sea water right threw it. we use the water for showers but i have drank a bit from time to time and i cant taste salt at all.
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