The utility model relates to the technical field of hot water equipment, and discloses modularized
fuel gas efficient heat exchange hot water equipment which comprises a protective outer frame, a controller is embedded in the position, close to one side, of the front end of the protective outer frame, a heat exchange
pipe is fixedly arranged in the protective outer frame, and the heat exchange
pipe comprises a water container. A plurality of connecting strips are fixedly arranged in the water container, and fire tubes are fixedly arranged among the interiors of the connecting strips. According to the utility model, through the structural design of the fire tube and the water container, the
layout of the water-in-
pipe is realized, the heating area is increased, the
residence time of gas in the fire tube is prolonged by the industrial grade stainless steel S-shaped
welding fire tube group, the
heat energy exchange efficiency is greatly improved, the modularization can be expanded in parallel, the occupied area of a single module is small, and the horizontal installation is supported; the intelligent
temperature control system is suitable for various spaces, achieves accurate temperature adjustment and on-demand starting and stopping through
intelligent control, is convenient to operate, safe and reliable, and is widely suitable for commercial and civil scenes.