The Stiebel Electron DHC 10-2 tankless water heaters are designed for installation at the point-of-use. The DHC 10-2 heats water instantaneously as it flows through the unit. Standby heat losses are completely eliminated. The heating element is controlled by a flow switch which means a DHC can never dry-fire and fail permaturely. And since all DHC's are hydraulically controlled, operation is quiet. DHC 10-2 water heaters are equipped with a safety high-limit with manual reset. The rugged all copper design ensures many years of reliable service. Mounts easily on the wall with supplied bracket. Sleek high-impact polycarbonate plastic housing. No pressure relief valve, drains, or circulating pumps needed. Ideal choice for all Commercial, Industrial, and Residential point-of-use applications: Office buildings, Stores, Malls, Warehouses, Restaurants, Gas stations, Schools, Hotels/Motels, Commercial condominiums, Manufacturing facilities, Bathroom sinks, Kitchen sinks, Laundry areas, Cabins/Cottages. Item no. 074056; Phase - 60/50 Hz 1; Voltage 240 V. 208V; Wattage 9.6 kW 7.2 kW; Amperage: 40/35A; Circuit breaker size: 40A; Required wire size: 8 AWG; Minimum water flow to activate unit: 0.79 GPM 3.0 l/min; Weight: 5.3 lb/2.4 kg; Nominal water volume: 0.13 gal/0.5 l; Working pressure: 150 psi/10 Bar; Tested to pressure 300 psi/20 Bar; Water connections: 1/2" NPT. 7 year tank and 3 year parts warranty. Technical help at 1-800-582-8423.