Manufactured in a modern, automated plant using European Technology. Protects the tank from rust and corrosion. Low density, Glasslined element for long life in hard water areas. Withstands temperatures upto 1000°C. Long lasting,even in hard water. Reduces scale formation.Prevents premature element failure. A Special device to enhance the corrosion protection of the tank by means of "Cathode Action".Acts as pressure release valve, non-return valve, expansion valve and vacuum release valve.