Stiebel Eltron DHC tankless, electric water heaters provide hot water instantaneously, heated as it flows through the unit. Standby heat-losses from conventional systems are completely eliminated. Designed and manufactured in Germany to North American standards, the rugged DHC contains all copper piping and heating elements and ensures many years of reliable service. The DHC series comes in a range of sizes, from 3.0 kW to 9.6 kW, and is available for 120V, 208V, 240V and 277V connections.