Solar Water Heater 1.CE approved 2.Energy Save System for Sanitary waste water-Save 2500kw/year for a family 3.OEM/ODM Solar Water Heater Re-use the heat of the sanitary waste Water or the heat exhaust gas from air conditioning——Save 2500kw every year for a family. CE approved and all the material are in line with the requiment with European standarded WEEE and ROSH.Volume:From 50L to 150LApply ...