Product Intro: -Pipleline is made of all red copper and conducted by heat transfer medium liquid -To save place and simple to install -Suitable for families who can**9;t put vacuum tubes on their roofs -Stable and reliable performance -Fashionable and beautiful -It is harmoniously blended with architecture -Environmental protection and energy saving * Material a) Inner water tank: imported SUS**4 stainless steel b) Outer water tank; galvanized steel alloy c) Bracket; aluminium alloy * Solar vacuum tube with heat pipe a) Size: *8 * **0mm b) Qty: 8/ *0/ *2pcs c) Hail resistance: diameter *5mm * Temperature insulation layer a) *0mm thickness imported polyurethane, machinery overall for keeping same temperature and high pressure foam b)Temperature conservation: *2 hours * Capacity: *0 / **0 / **0 liters *Max. pressure bearing: 1.0Mpa *ISO***1 / CE certificate * 3 years international responsibility for free repairing or exchange due to original quality problems.