◆Highly efficient absorber of high performance 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.