タイトルまたは説明

Product Description Solar vacuum tube with heat pipe Tri-element vacuum tube: *8 x 1, **0mm, *7 x 1, **0mm Heat pipe: 0.8mm in diameter Flowing passage: 1.2 mm thick high quality rose copper (TU1) Outer chest: 0.2mm thick aluminum alloy Bracket: 1.8mm thick aluminum alloy Hail resistance: Diameter *5mm Insulation layer: *0mm thich rockwool Heat preservation: *2 hours Maximum working pressure: 0.6mPa Warranty: 3 years international responsibility for free repairing or exchange due to original quality problems Packing: Standard carton Installation: Heat pipe solar collectors can be connected in arrays for project.