... 25 / 30 Vacuum Tube Borosilicate glass, red copper heat pipe, aluminum fin Manifold Copper flow passage, PU insulation, Aluminium ... Material Aluminium alloy plate Accessories Workstation system, Electric heater, E-Parts box, thermostat, Switch, Anode magnesium bar, ... system, accessories and interconnecting pieces. Heat Pipe Solar Collector:1) Heat pipe solar collector for thermal collection, with a ...