The boiler is mainly composed of a boiler body, an electric control box and a control system, and is characterized by environmental protection, cleanness, no pollution, no noise, and full automatic. With the reduction of limited energy and the substantial price increase, electric heating boilers have become more and more recognized by everyone as an emerging boiler equipment. Electric heating pipes are used as the core components of electric heating boilers, and direct heating electric heating pipes are used. It is more convenient to replace and maintain. At the same time, the surface load is low, effectively extending the service life of the boiler.