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Watermakers Tips and Tricks

Watermakers Info
Watermakers Info - General tips and tricks > ZwerfCat > Articles > Watermakers > Watermakers Info
Many cruisers consider watermakers a necessary evil. It is a luxury to have fresh water all the time without having to fill up jerrycans from questionable sources a couple of times per week. But it comes with a prize: energy demands, noise and maintenance. We selected a watermaker with low energy demands and after two years of cruising we have optimized our setup and reduced and simplified the required maintenance. You don't have to reinvent the wheel: read our tips and tricks.
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Shurflo2Procon
Shurflo2Procon - Conversion from Shurflo to Procon pumps > ZwerfCat > Articles > Watermakers > Shurflo2Procon
Both Spectra and Schenker use an ordinary Shurflo pump. These are cheap pumps that make a lot of noise and wear out pretty fast. We upgraded our Shurflo pump to a Procon vane pump, this article tells you how.
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Great write up. Gives me some hope. I have a friend with a 120v AC driven spectra. He told me it had died a few years back and I did some troubleshooting and found that there was an input but no output from the variable frequency drive. That seems to explain why the pump wasnt running. The variable frequency drive unit is on backorder and >USD 1K. My RO unit is a fully manual unit so I wondered why not hook up a simple 1/3HP 120V A/C pump and run the unit without the variable frequency drive?
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The Variable Frequency Drive I mention in this article costs about 165 USD. Yes, you could do without, but it is nice if you can adjust the RPM (and thus flow) and for this relatively small expense I would really recommend it.
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Wir haben den 60er Schenker mit 2 Pumpen. Haben diese schon 2x getauscht. Der Abrieb der Bürsten verschmutzt den Kollekor am Rotor, sodass auch der Motor mit der Zeit kaum mehr Leistung bringt.
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Good write-up!
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Great write-up, thank you. Question, when your day-tank is filling, does 100% of the product water go there or does some of it still go into your main tanks? Your article gave me an idea for a less expensive high TDS automatic discharge that I'm seeking feedback here and thus the question: https://www.cruisersforum.com/forums/f115/watermaker-auto-tds-discharge-idea-271986.html#post3729368
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You mention that your pistons were binding in the cylinders...is this within the Clark energy recovery unit? Were you able to get parts from Schenker to address this? Is it an easy maintenance item?
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Yes, that is within the Clarc pump. I had spare O-rings, they are easily available. Changing them was very easy.
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