DATA MANUAL Navitron_Panel_Assembly_2 Schematic_SHW_-_Standard_Layout This kit includes a Navitron 5830AL Solar Thermal Panel (color can be selected), a Sorel MTDCV5 Controller, a Pumpstation (which can be selected), a Twinsol Pipework (length can be selected), 5 liters of Antifreeze, a Discharge Vessel, an Expansion Vessel (18 liters), a Spirovent De-aerator, a Roof Mounting Kit, an Overvoltage Protection Unit, a Bracket for Expansion Vessel, a Connection Pipe for Expansion Vessel, 2 Roof Flashings, 2 22mm Compression Elbows, 2 DN16 Joiners, 3 PT1000 Sensors, 6 DN16/22mm Adapters, and 12 DN16