DHC-E 8/10 7.2/9.6 kW 1.46 GPM Point-of-Use Tankless Electric Water HeaterDHC E 8 10 models are ideal for residential and commercial point of use sink applications including: bathrooms, cabins and cottages, office buildings, stores, malls, warehouses, restaurants, and gas stations. They are electronically controlled and can be set to deliver water at the temperature you need. They heat water instantaneously and endlessly at 99% efficiency as it flows through the unit. Because they do not store hot water like tank water