Passed pressure test, but without the possible pressure effects from having heating turned on. OK, so basically it does not leak when the value to city water is opened. That's a step (but some extra wraps of teflon ought to handle that, right?)
Give me numbers that are not disguised, temp in temp out with flow rate and power consumption at the line-in.
I don't mean to sound like I am only a skeptic, but come on, after all this time who isn't.