The Pro Eco in the new electric water heater is simple to use but enriched of different functions that allow you to save energy up to 20%. Pro Plus, with its daily programming, can let use the double energy tariff obtaining saving in your electricity bill with no compromise in term of comfort. It comes with 50, 80, and 100 Liters. Categories: Ariston Water Heaters, Electric Water Heaters Tag: Water Heaters