... water heater 1.3 second for hot water 2.LED color display 3.OEM approved 4.Unique patent Technology USA 18kw water ... the confortable water temperature.constant electric water heater Function1,LED display with color digital;2, the high sensitivity of leakage protection; 3 ... 8, leakage proectect. 9, temperature accuracy of ± 1 °C; 10, unique, patented plate heater, the water real isolationE (pitcure as ...