... design, arbitrary combination, harmonize with the building perfectlyb. Intelligent control and automatic operationc. Anti-freeze: Using the anti-freezing ... tube, borrosilicate glass 3.37) Solar working station8) With heat pipe: anti-freezing > -35 degrees centigrade9) Water capacity: 150L, ... ,Thickness,1.8mm,Insulating layer,compressed rock woolHeat Pipe pure red copper TU1+water,transfer power>=150W, ...