Porcelain Enamel Glass Lined Tank: Manufactured in a modern, automated plant using European Technology. Protects the tank from rust and corrosion. Multi Function Valve: Acts as pressure release valve non-return valve, expansion valve and vacuum release valve. 8 BARS PRESSURE: Suitable for pressure pumps and multi - storey buildings. Hard Water Protection: Low density, Glasslined element for long life in hard water areas. Wattage 2000 W Guarantee: 7 Years on Inner Tank, 4 Years on Heating Element and 2 Years on Product. Color: Silver Sparkle.