Solar water heater Water tank imported sus304 2b stainless steel External shell imported nacre white armor plate Insulating layer 50mm-60mm polyurethane foamed Tank diameter 420mm=460mm Specification 15 18 20 24 30 pieces Structure outlet holes on sides; electric heater and water inlet and outlet holes and exhaust hole at the lower part Bracket material bracket made of premium cold roll with plastic spray Fastening piece stainless steel screw Seal macromolecule silicone rubber Glisten obliquity 45¦ Heated temperature 45-95¦ Vacuum tubes borosilicate gla-1500mm 58-1800mm