Features:
1. Vacuum tube material: Borosilicate glass 3.3; AL-N-AL absorb coating
2. Manifold casing material: Aluminum alloy
3. Frame material: Stainless steel
4. Header pipe material: Copper
5. Heat pipe material: Copper
6. Insulation: Rock wool
7. Seal material: Stabilized High Temperature Silicon
8. Able to use in any climate
9. Easy plug-in installation for mounting on the flat roof or inclined roof
10. Suitable for mains pressure water(up to 8 bar/116psi)