3U SOLAR currently offers the most extensive manufacturing programme of vacuum tube solar collectors worldwide. According to individual installation requirements we can deliver modifications of the tubes. Our vacuum tubes are extremely durable, compact, highly efficient, maintenance-free and easy to assemble. DF120- High vacuum collector with direct flow through High vacuum tube, sealing by thermo compression. Available with 6 tubes and a gross area of 2.461 m².

The basic material aluminium and the special thermal construction provide that you can enjoy maximum heating comfort with low flow temperature. But not only the convenient indoor climate is convincing. ALUThermik radiators increase the efficiency of heat pumps, solar-based heating and regular heating systems.

Please contact the company for more information.