Hot water urn is a durable and useful electric device for storing and heating water, which is essential for both the restaurant and the kitchen any other catering establishments. Such devices are particularly relevant to the self-service lines, as they allow themselves to visitors pour yourself hot drinks, brewed tea or coffee. Depending on the design water heaters may be represented either as a tank with attached water line (automatic refill system) and also as regular water tank. The second type of water heaters is of great demand in professional kitchens, since it enables storing of a certain stock of boiled water for making beverages. This performed equipment can be easily installed in every type of commercial kitchen and does require any exchanging of any new flowmeters, that undoubtedly increases its profitability. The main advantages of water urns are that they are self-inclusive and require no special supervisory control by staff.