Novel design. Solar water heater passde CE, ISO9001-2008 SRCC Solar Keymark certification. Inclined roof solar water heater with copper heater pipe.CE,ISO9001-2008,Solar Keymark approved with 100L,200L,300L,400,500 capacity. Feature:1. Split solar water heater including solar collector,pressure water tank,controller,work station2. Vacuum tube material:borosilicate glass 3.3,AL-N-AL absorb ...