Electric storage water heater with a capacity of 20 liters with a modern design. The unique single-seam inner tank technology significantly extends the service life of the device. The inner surface of the container is covered with FERRO titanium quartz enamel (applied in a static field at a temperature of 1000 ° C). Equipped with a double immersion ("wet") heating element (heating elements) with a total power of 2.5 kW. The design of the boiler is adapted for horizontal installation: lower water supply inlet, as well as an additional drain (drain) opening of the tank for ease of maintenance.