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post #6 of Old 04-27-2019
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Re: The cheapest RO membrane on market

Originally Posted by Halvard View Post
I was thinking of using a high pressure washer as my pump
Sorry, but again, don't you think if high-pressure washer pumps would work adequately for an RO system, all of us who built our own and all the companies making RO units would use them @$300.00 instead of $2k to 2500?
I'm sorry, but I suggest you'd best do a lot more reading up on watermakers. There is a multitude of good info on the web.
When I built this 35 to 40 gph unit, the first thing I bought was the pump. It took me four months of searching the web, but I got a great $2200.00 pump for $940.00. Then, I purchased the other parts to match the pump. That was the cheap and easy part.
It has been working fine for 7 years, with one membrane change a couple of years ago.

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