1. Super Wet Enameled tank; 2. Non-CFC Insolation Layer; 3.Three band power for free selection; (500W,1000W, 1500W) or (1000W, 2500W) 4. Double High Quality Thermostat; 5. Seperated Safety Valve. 6. 5 Years guarantee for the tank, 1year for all parts. 7.CE & RoHs approved Rated Power 1500W Min Start Pressure 0.05Mpa Rated Votalge 220V Rated Pressure 0.8Mpa Rated Current 6.8A Rated Temperature 75.C Frequency 50HZ Water Proof degree 1PX4