Heat-pipe vacuum tube solar collector

Features: 1. All stainless steel frame and dark gray aluminum casing figure terseness and nice profile. Resort to module design and arbitrary combination, make her harmonious with the building perfectly. 2. Using heat-pipe vacuum tube combined double-layer glass vacuum tube and copper heat pipe as one unit. 3. Absorption coefficient >92 % (AM1.5), Emission coefficient <8% (80), Vacuum P<5x10-3Pa, Stagnation temperature >230oC. Freezing resistance: -35oC 4. Corrosion resistant silver brazed copper condenser. 5. Maintenance free, warrant your enjoying clean hot water for years. 6. Easy plug-in installation with hermetic insulation layer promise the max. thermal reservation. 7. Perfect modular solar collector for domestic solar water heater system and commercial application.