missing spout and control knobs. The Heatrae Sadia Streamline 7L Over Sink Water Heater in White is a high-quality storage tank water heater with a stainless steel tank lining. It operates on a corded electric power source with a voltage of 240V, suitable for domestic use. This model has a first-hour recovery rate of 204 litres per hour and a minimum flow activation between 3-15.1 litres per minute. With a manufacturer warranty of 2 years, this water heater is both vented and electric, providing efficient hot water supply for your home.