... shape solar water heater 1.Superior performance 2.Water purifying core, to improve water quality Solar water heater1) Water tank (interior ... x 1.8m, 47mm x 1.5m 6) Water capacity: 150L, 200L, 300L,500L Characteristics:1. ... The shortcoming of bursting of tube or water leakage due to aged rubber ring is eradicated;3 ... 16, 18, 20, 24, 30, or 36 units8. Water capacity: 100L, 150L, 200L, 240L, 300L and so ...