... heater 1. 100L-1000L 2, CE/PED approved, high quality 3, OEM/ODM 4, Food material SUS304/316L Heat ... and the water tank is separated, that makes the system combine with the building perfectly, which will reduce ... 0.005 PaAbsorptionas=0.93-0.96(AM1.5)Emission ratioεh=0.04-0.06(80C±5C) ... stationSP106, SP116,SR962 working stationHeat exchanger length18m High Quality of China Heat Pipe Solar Water Heater