... system 4)CE, CCC, ISO certificate Main function of solar work station: 1.Display clock and week 2.Display temperature 3.Temperature ... temperature difference circulation We not only have this work station, but also other solar water heater parts. For more information, you ... are established in 1989. We are a leading manufacturer of Solar Water Heaters (SWH), including Compact Non-pressurized SWH, Compact ...