Sunpower - Model SPB -SRCC Heat Pipe Solar Collector

Heat pipe solar collector SPA/B 10-12-15-18-20-24-30 tuebs. Inner material: Copper header 0.8mm thickness Outer casing: 2.0mm Anodized AL, or 0.8mm stainless steel 304. Insulation: Rock wool. Supporting Frame: 1.2mm stainless steel or 2.0mm AL. Vacuum tube with heat pipe: ALN/ALN-SS-CU Absorber, glass thickness 1.6mm. Reflector is available, AL or stainless.