integrated non-pressurized solar water heaters

 Outer tanks: PPGI (pre-painted galvanized iron), thickness: 0.35mm. Color: white, yellow, red, or customized

Inner tanks: stainless steel 304-2B, thickness: 0.4mm, 0.5mm, 0.6mm, or customzied

Vacuum tubes: 58-1800 with CU-SS-AL-N/AL

Frame: galvanized steel, thickness: 1.2mm, 1.5mm

Models: 100L-58-1800-10, 120L-58-1800-12, 150L-58-1800-15, 180L-58-1800-18, 200L-58-1800-20, 250L-58-1800-25, 300L-58-1800-30