One issue with such a shallow pan is that a rapid boil will make sap jump out of the pan. That can be controlled by having an extension made out of ss to set on it. Design it so the geysers jumping hit the inside of the extension and run back into the pan. You want a fast boil, don't just slow the boil to minimize the jumping. Such an extension should be the outside dimension of the pan, then where it meets the pan, bend in 90 degrees, maybe an inch, then down an inch or so. I had my syrup pan (and flues pan) custom made 4" taller than std. The syrup pan is 14" tall to catch the jumping sap.
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.
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