The following image is a diagrammatic representation of the central heating system in a house. It shows a white general background, with an outline of a house. There are arrows denoting the movement of cold water from into the house. This flow of water uses the pipes as a medium, which are denoted by grey lines.
There is a special pipe, which is the overflow pipe connected to the water tank that fills the storage tank. The water begins its entry from the upper left region of the house, and diverges through different pipes to fill the storage tank, passing to the hot water taps shown in the diagram. Additionally, The hot water taps are symbolized by a 2d drawing of it majorly in yellow. It also passes through the yellow pump, and then after to the hot water radiators which are distinguishably drawn in maroon and grey lines. Furthermore, there is a boiler which could be gas or oil represented by a yellow cylindrical object.
The objects that are filled by water are colored blue, which are the storages. Moreover, the diagram is three-dimensional, with some sort of versatility in color tones. There are lines coming out of each item labelling it, and the text and lines are in black.
Overall, the image is a comprehensive and straight-forward representation of a heating system in a house. It shows all of its components, the way that they are connected, and the route the water takes. It also is clearly annotated.