No pressure vacuum tube solar water heater

1. Highly efficient absorber of high performance with daily average efficiency over 76%;
2. BTE blue film absorber with automatic production line,can supply you stable high quality products;
3. Withstand pressure of 6 Bar, can be connected directly with city water or your big water tank;
4. Simple structure, easy to assembly and install in short time, no breakage;
5. Best insulation with polyurethane foam;
6. Can be used all year round in the cold climate;
7. Can be used together with auxiliary electric boost;
8. Long service life, can be used over 15 years;