... eletricity saving3. high quality stainless steel tank, non-rust, non-pollution, non-leakage, more safer and hygeian, promiseing longer ... 5. body cover: ABS6. side cover: ABS or cold plate with powder coating7.heating tube: s/s 3168 ... . warm-keeping layer: non-fluorine amine-gathering resin9.product Watt:1500W, Waterproof ... C, Pressure:0.6Mpa 2012 hot sell electric storage water heater