24tubes Black Aluminum Alloy Heat Pipe Solar Collector

24tubes Black Aluminum Alloy Heat Pipe Solar Collector. High Thermal Efficiency: Super daily efficiency of 55% in summer and 42% in winter with quick start capability. Durable Vacuum Tubes: 15-year warranty on vacuum tubes with hail resistance up to 25mm diameter. Flexible Installation: Universal bracket suitable for slope roofs, flat roofs, ground, and exterior walls. Modular Design: Arbitrary combination with architectural structure and maintenance-free operation. High Working Pressure: System withstands up to 12 bar pressure with high-quality red copper flow passage. Superior Insulation: Combined glass wool and PU foam layer reduces heat loss significantly. Customization Options: Full customization and flexible customization available from samples.