... capacity: 150L,200L,250L,300L,400L,500L,600L,700L,800L............solar water collector1) Reliable, efficient, twin-glass evacuated tubes2) Red ... device12) Protecting the environment and reducing your fuel cost13) Domestic and commercial use, solar collector is ideal for both domestic and ... the medium and the controller has anti-freezing function Solar collector(Heat pipe series)SC-H seriesModelSC-H-15 ...