The Willer PU10R optima mini electric water heater is an excellent option for the consumer looking for a compact model with a small storage tank. Willer PU10R optima mini is made in a modern design in the form of a structure with dimensions 345x345x286 mm, intended for wall mounting in a vertical position. It has a rectangular shape and is designed for bottom piping. Titanium-cobolt enamel, used for the inner tank coating, will be able to ensure a long service life, which will also help the magnesium anode. In addition, there is only one internal seam in the tank, and the boiler is equipped with such details as a safety valve and overheating protection, which will also have a positive effect on its reliability. It should be noted that the Willer PU10R optima mini is capable of heating water up to 75 degrees and operating at pressures up to 8 atm, while its power is 1.5 kW.