The innovative structure of the internal components allows you to control the two boilers independently and flexibly. This way it is always possible to have the amount of water needed for a hot shower in half the time. The exclusive TitanShield technology guarantees a long life of the water heater and keeps its performance always at the top. Protection against corrosion thanks to the natural properties of titanium and the action of the large magnesium anode. IN CASE OF PROBLEMS BEFORE LEAVING NEGATIVE FEEDBACK CONTACT US IMMEDIATELY!! YOU WILL FIND US READY TO RESOLVE ANYTHING SOMETIMES A SIMPLE MISUNDERSTANDING, OR THE INEFFICIENCY OF BANKS, POST OFFICES, COURIERS AND OTHERS CAN FOREVER COMPROMISE THE RELIABILITY AND SERIOUSNESS OF A SELLER ON EBAY. EVERYTHING CAN BE RESOLVE WITH THE MAXI.