Solar water heater controller tk-8a

1. Vacuum tube: SS-CU-AIN/ALN coating, Φ58*1800mm
2. Tube distance: 110mm
3. Heat pipe: TU1 copper
4. Header pipe: Φ35mm /1.0mm thick
5. CPC reflector: polished aluminum sheet
6. Bracket: aluminum alloy, 2.7mm
7. Insulation: glass fabric, 30mm
8. Manifold casing: anodized aluminum alloy
9. Sealing material: silicon seal