The image shows a close-up of a wall-mounted water heater. The heater is black in color and has a rectangular shape with a lid on top. It is mounted on a white metal panel with screws and rivets. Below the heater, there is a white pipe with four brass fittings attached to it. The fittings are connected to the pipe with screws. On the right side of the image, there are two metal pipes, one on the left side and one in the center. There is also a small poster on the wall with Japanese text and an image of a boat. The background is a greenish-blue color.