Well, I have sort of been messing with this generator all day.
The good news is that I got all the hose barbs needed, the demand regulator, and the primary regulator working together.
THE DEMAND REGULATOR
200,000 BTU PRIMARY REGULATOR
I even took an inexpensive breaker box and got it set up with an electric outlet. (Although it was a 15 amp instead of the 20 amp GFI)
Once I had everything rigged up, I was able to fire up the generator and have it power an electric heater. The generator seemed to work well providing over 1200 watts to it.
Watching the Kill-a-watt, I could check the electrical specs on power from the generator. it sure isn't wall power. It does vary a bit in its frequency and voltage.
Also, the primary regulator gets COLD! Like -3 degrees farenheight cold. It doesn't help that it was 19 degrees outside today.
After I had played with the generator a bit, it got into a mood where I could start it, it would run for almost exactly 3 seconds, and then die. It was very regular, like it was an electronic issue. The generator would just cut out, not sure why.
I came back to the generator an hour or so later, and it seemed to work ok again. Weird.
The generator is pretty loud too. I need a muffler for it.