solar water heater,solar system 1.high quality and reasonable price 2.diffrent ... 25mm haily)(type:47mm*1500mm,58mm*1800mm 15,18,20,24,30,36tubes capacity:86-300L)2)Outer tank ... overcast and rainy,equal to have a samecapacity electric water heater at the same time.9)Packing is normative cardboard ... repairing quality problems or exchangedue to original quality problems. solar water heater,solar system