The Boat Galley
the boat galley Rainman Watermaker: First Impressions
On June 13, Chris Burton of SeaTask Group came down to Boot Key Harbor to demonstrate the Rainman portable watermaker system. He then left one of the units with us to use for a month in order to do a full review on it.
The Rainman system has two components: the pump unit and the membrane unit. Both come in carrying cases and do not require installation. You can, to a large extent, mix and match the components: there’s an AC, DC and gas-powered pump unit. The membranes come in two sizes: one that makes 13 to 18 GPH and one that produces 26 to 37 GPH.
We are using the AC unit (US – 115 volt) running off a Honda 2000i generator, and using the higher capacity membrane system. Our boats have always had a watermaker — our Tayana 37 had an older HRO system, running on DC, that made about 5 GPH. Barefoot Gal, our current boat, came with a Katadyn 80E that makes 3½ GPH. We’ve had the Rainman unit for about ten days now and I wanted to give a “first impressions” report. I’ve gotten a lot of questions by email and on Facebook and wanted to answer a number of those.
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