For very near that price you can get a new Ray Gingerich RO. They are nice, but they do need to be kept from freezing.

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Dave Klish, I recently bought a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater. Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had. After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.