Integrated Pressurized Solar Water Heater

Highly efficient absorber of high performa nce with daily average efficiency over 50%; 
Start up quickly, heat pipe transfer the heat energy into the storage tank in one direction.
Withstand pressure of  6 Bar, can be connected directly with city water.
No water inside the evacuated tubes; the solar water heater can still in service even with several tubes breakage;
Highly efficient insulation with polyurethane foam;  
Simple structure, easy to assembly and install, diffuse flat plate reflector can be assembled easily with its module structure;