... and economical; 4) high efficiency. Baoguang domestic compact unpressurized solar water heaterFeatures:1. High Efficient:Excellent selective absorbent coating ... : Bathing, washing, domestic heating etc. If the solar water heater works with the following spare parts, it will be ... about 72,82,98,110,136,156KgDescripit Non-pressurized solar water heaterinner tank materialSUS304-2B Food Class Stainless ...