Heat pump water heaters (most of them) take the same 30A @ 240V circuit that a standard electric resistance water heater uses, though running in HP mode, they d

Heat pump water heaters (most of them) take the same 30A @ 240V circuit that a standard electric resistance water heater uses, though running in HP mode, they draw far less than that. They typically have the standard 2 electric element setup as a backup/supplement to the HP, if you have high water demands.