All I can tell y’all is exactly what all the electricians said, because I’m a psychologist and not an electrician. They said it when it works, it’d be fine, but in case of a power surge or some fluctuation, because I’m only drawing 30A, the breaker wouldn’t trip, and there’s the possibility of a fire. I’m not risking my 1yo and house on, “It’s probably fine,” when I don’t have the expertise to explain why.
Now…to my original question: 2-vessel RIMS or 3-vessel HERMS?