Stiebel Eltron DHC 5-2 Electric Tankless Water Heater, 208/240 VoltsThe Stiebel Eltron DHC 5-2 Electric Tankless Water Heater is designed for installation at the point of use. They heat water instantaneously as it flows through the unit. Stand-by losses are completely eliminated. The heating elements are controlled by a flow switch and by an exclusive scald-guard thermostat, which keeps the water temperature within safe limits at all times. In addition, the DHC water heaters are equipped with a safety high-limit with manual reset. The rugged all copper design ensures many years of reliable service. The models DHC 3-1, DHC 3-2 and DHC 4-2 are shipped with 0.5 GPM pressure compensating flow reducer/ rators that fit on most faucets. Flow controls and faucet rators are highly recommended in conjunction with tankless water heatersbel Eltron DHC 5-2 Electric Tankless Water Heater Features: Up to 50% less electric consumption compared to storage type heaters, hot water instantly, with exclusive built-in scald guard thermostat, fits anywhere due to its lower installation cost in comparison to storage type water heaters. No need for circulating pumps, available in many different KW sizes - Available for 120V, 208V and 240. Stiebel Eltron DHC 5-2 Electric Tankless Water Heater, 208/240 Volts Specifications: Phase1, 208/240V, 3.6/4.8 KiloWatts, 18/20 Amps Minimum required circuit breaker size 30 Amps Recommended wire size AWG Copper 10 Minimum water flow to activate unit 0.42 GPM/1.6 l/min. Pressure loss in unit 2.88 PSI/0.23 bar Maximum working pressure 125 PSI/10 bar Tested to pressure 250 PSI/20 bar Water connections 1/2" NPT Dimensions: H 14-3/16" x W 7-7/8" x D 4-1/8"