I am not sure of my model but will check and get back to you. And, I will check with the man of the house about the circuit breaker. But, YES, water gets hot much faster than with a tank. It is never cold or luke warm no matter how long you leave it running. (Not that I am a water waster
. IMO, it is the way to go! Never had a problem with our Titan and it was very reasonably priced, comparable with tanks.