The heating elements of the Stiebel Eltron DHC 4-2 tankless electric water heater are controlled by a flow switch and an exclusive scald-guard thermostat so that water is kept within the safe limits at all times. This heater is also equipped with a safety high limit with manual reset.
The rugged all copper design of the Stiebel Eltron DHC 4-2 tankless electric water heater ensures that many years of reliable service. Included with this water heater is also a 0.5 GPM pressure compensating flow reduce/aerator that fits on most faucets. Compared to storage type heaters, these consume up to 50 percent less power and have lower installation costs. For your safety, it is ETL listed and it runs on 208/240 volts.