Features:
1. Vacuum Heat Collector: High boron-silicon glass, magnetic-controlled splash double-tap cooper/nitrogen/aluminum absorption coating diameter: 47/58-1. 5/1. 5m X 24/30 tubes.
2. Manifold Box: 304-2B / Foodstuff Glass Stainless Steel
3. Matrial of support: important stainless steel.
4. Fastener: Stainless steel bolt.
5. Sealing ring: Macromolecular silicon rubber.
6. Heat Preservation Layer: Pollution-free heat preservation rock wool with thickness of 65mm or polyurethane foam.