Rinnai Electric Water Heater guarantees you with highest safety as it comes with standardized safety and protection system for preventing short circuit and water accessing into major electronic components. With specially designed heat coil, Rinnai Electric Water Heater provides a highly efficient water heating system. The product also provides constant water heating effect as it is designed to efficiently block out any electromagnetic disturbance. Rinnai Electric Water Heater is not only highly durable but also energy-saving as guaranteed by the No.5 Label from the Ministry of Energy.