The ground I speak of would be best if it is a 8 or 10 ga. copper stranded wire clamped snug to the surface of the outer jacket and run direct to a ground clamp to be most effective. The usual ground connection is not enough to keep electrolysis in check. It satisfies the safety aspect but not the electroplating that tries to start in the water between the inner and outer shells, for that you want the extra ground with the galvanized outer and a SS inner.
Dave Klish, I recently ordered 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.