What I am amazed at is the HUGE amount of electricity being consumed... Typically if a water heater consumes this much continuously without sufficient running water, it would boil the water and blow the roof off to smithereens. It is explainable only when there is a thermostat in picture... and when the thermostat is in picture, it would limit your consumption to a small duty cycle.
If all this electricity is getting converted into heat, it HAS to show up somewhere... Else, as already being doubted, you have a case of theft at hand.
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