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low pressure evacuated tube solar thermal collector
| Material and Major Element: | |||||||||
| 1. Vacuum tube : 58*1800mm | |||||||||
| 2. Material of Vacuum Tube: Borosilicate glass 3.3 ,coating: Al/N/Al | |||||||||
| 3. Manifold: Galvanized Plate | |||||||||
| 4. Bracket :zincification painting bracket | |||||||||
| 5. Preservation : 45kg/m³ high-density polyurethane foamed /rockwool | |||||||||
| 6. Warranty | |||||||||
| a)ISO9001 / CE certificate | |||||||||
| b)5years' international responsibility for free repairing or exchange due to original quality problem |
low pressure evacuated tube solar thermal collector