Question: Internal cleaning of the water heater

    In order to keep water heater working efficiently, the heating tube and inner container shall be cleaned once every three years, please be careful not to damage the protective layers on the outside of heating tube and the internal surface of inner container;

During cleaning, it is necessary to close the inlet valve, open outlet valve, remove the cover of electricity-preventing wall and magnesium rod (check its consumption so as to replace it timely), and drain water in the tank, and then open the inlet valve to wash the inner container repeatedly, until clean water flows out, and then it is ok after magnesium rod and cover of electricity-preventing wall are installed again.