Water heater Tesy Concepta, 15 Lt, 1500 W, 230V. The Super Glas enameled interior makes it strong and rust-resistant. The complete heat-insulating coating minimizes energy loss with the surrounding environment, therefore energy consumption is reduced. It works even under low water pressure and has a very fast heating of usable water thanks to the tank capacity. TESY hot water heaters are designed and manufactured in accordance with the highest European requirements for product safety and quality. The elegant and modern design makes them fit in any place. The highest quality materials ensure long-lasting, trouble-free and comfortable use.