Sea Recovery AquaWhisper watermaker membrane

Sometimes a pic will help.

Allow me a dumb question, have you contacted Sea Recovery?


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Reverse Osmosis & Nanofiltration

Hi,

If you can replumb the pipework you can pretty much use anyones cannisters and membranes as long as you can match the membranes to your systems flow rates.

That's not "red-neck" it's just good sense!

There is no point in paying a huge premium for "private label" membranes.

Reverse Osmosis Membranes

I recommend 1200 GPD watermakers for 60' MY's and SF. Think about this, 900 GPD is only 37.5 gallons per hour. If you have a 200-300 gallon water tank. You're not going to start the watermaker until the tank is half full. Say you travel, you get in and use 50-100 gallons to rinse the boat then you have 5 guests all taking showers, your full tank is now empty and if 2 people take a shower per hour, the watermaker isn't even keeping up with consumption. Then you might do laundry too, all of those beach towels etc and you really don't want to run the watermaker if you're doing laundry (or cannot because of the soap and electric draw) and you don't run the watermaker if you're pumping out either. Then you can't always run the watermaker with cooking and such, the generator cannot handle the load. You cannot run it at night most of the time because of the noise. The only difference between a 30 GPH and a 50GPH watermaker most times is just 1 extra membrane, same pumps, same electricity etc. So, for an extra $1000 or so, you have a watermaker that covers your needs, you can keep up with demand, and you can refill the tank in between marina's in 4-6hours. Having a small watermaker is equivalent to having an apartment sized stacked w/d in a household with 6 people. You can make it work, but there will be times when it's **** inconvenient.

I did a trip on a 75' Hatteras MY with a 600 gallon freshwater tank, we traveled and anchored everynight for 4 nights straight. I had 7 guests and 2 crew. It only had a 30 GPH watermaker that I kept running the entire 4 days non-stop and the water tank was almost empty when I got to Paradise Island. Every morning everyone took showers, then we snorkeled everyday and everyone took showers again, than we had all of the beach towels to wash, 2 loads a day, then cooking usage and everything else. Not to mention the boat had an extension and the cockpit 300 gallon water tank gravity fed into the boats 300 gallon water tank, so the trim of the vessel was all over the place depending on where the water level was. It sucked, plus everyone had to deal with the noise, but the generator noise wasn't much quieter through the boat.

Cskip, what capacity in GPM is the low pressure pump and the high pressure pump. I'm willing to bet you could put larger membranes to put out 50 GPH instead of 37.5 and the watermaker wouldn't know the difference.

I just looked on their site. They are using the same 4.5 GPM low pressure pump and the same high pressure pump on their system all of the way to 75gph/1800 GPD. I'd put aftermarket membranes that are similar in shape and connections that'll make you 50 gph and call it a day. The only thing you may have to change is the flow meter....but the scale might also be high enough that it too is fine. Does yours have the plunger style high pressure pump or the radial axle one?

Hi,

Ask them what their max thru put and pressure is and if its the same as your current system there will be no problem.

It maybe that they work at a lower pressure than your other ones.

I would think they would work fine. How would you mount them, just pad them to make up the extra space between them and the clamps. What about 2.5"x 24" or something slightly longer from the same company that are a little higher in flow?