... capacity: 150L,200L,250L,300L,400L,500L,600L,700L,800L............solar water collector1) Reliable, efficient, twin-glass evacuated tubes2) Red ... and reducing your fuel cost13) Domestic and commercial use, solar collector is ideal for both domestic and commercial use, and is ... as the medium and the controller has anti-freezing function Solar collector(Heat pipe series)SC-H seriesModelSC-H-15-5818SC- ...