I added enough water (2.5 cups) to the inside unit to make the container float. It does wobble when empty. I then added 1 cup of water to the container. No more floating, and plenty steady when pumping.
I then set the thermostat as high as it would go, and put a candy thermometer in the container water. The ambient temp was 70 F. After 4 minutes, the temperature reached 75 F (as low as my thermometer would go). I took readings every 5 minutes for 1 hour. The voltage was 122 VAC, and the unit drew 1.67 Amps (203.75 Watts) as measured by a Kill A Watt EZ P3 gauge.
5 min = 85 F
10 min = 110 F
15 min = 125 F
20 min = 150 F
25 min = 165 F
30 min = 175 F
35 min = 185 F
40 min = 190 F
45 min = 195 F
50 min = 200 F
60 min = 200 F
So far I like the new design, but all I have heated is water. Steam does escape around the outer ring, and the water in the heated section barely reaches a boil at 1 hour which seems reasonable.
The bottle and holder for the original design was begining to rust and the bottle had deformed (bulged) on the bottom and would no longer stand upright without holding.
The new design is much cleaner and easier to work with.
Below is a quick video of the container when inserted empty. In the second video 1 cup of liquid was added to the inner cup making the unit stable with no bobbing and very little movement when pumping. You can also freely rotate the pump in any direction since it is not attached to the container.
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