The application shows in a few simple steps how easy it is to assembly the water KSP to go radiant panels. All the parts of delivery are in detail 3D drawn, and the user has option to interactively watch the whole assembly process in an environment of one room. A user has the option to rotate every item and also complete scene, zoom in / out, skip to certain step of assembly or also by text descriptions localized in many languages to imagine the real situation on site in very detail. All this is providing all the necessary information in clear and visually attractive implementation. With such a preparation, the work on site was never more effective.