Best sell solar water heaters 1. OEM for solar water heater; 2. Economical, Good Quality; 3. Delivery: 15 days, ... Easy plug-in installation;8. Water tank: Stainless steel inner tank;9. Ideal for commercial solar water heater applications; Key Parameters of ... 36pcs.Inner tank0.4mm-0.6mm thickness, SUS 304-2B Stainless steel.Water capacity120L, 160L, 180L, 200L, 240L,300L,360L. Wiring design ...