Description: Mini Pressurized Solar Collector Vacuum Tube: 1) Dimension of vacuum tube: 58mm Diameter. 500mm Length 2) There is copper pipe in the vacuum tube 3) Quantity: 5 pcs for one set 4) Distance between tubes:75mm Manifold: 1) Aluminum alloy outer shell, silver color or black color 2) Copper flowing pipe 3) Insulation layer: Rock wool Bracket: 1) Thickness:1.8mm 2) Material: aluminum alloy Features: 1) Stable and reliable performance and well wind resistance 2) Vacuum heat-collecting tubes at high temperature 3) Dual-purpose brackets for both flat and inclined roof 4) Meeting the demand of well-to-do families 5) Economical goods Non-pressurized Solar Water Heater Sample Mini Non-pressurized Solar Water Heater Sample Specifications: 1) Thickness of bracket: Aluminum alloy 1.5mm 2) Vacuum tube: 58 mm x 600mm with 8 tubes 3) Outer tank: Steel (spray-paint and looks like China paint) 4) Capacity: 20L 5) Insulating layer thickness: 30mm 6) Pressure: 0Pa 7) Heat preservation: 72hrs 8) Hail resistance: 25mm
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