Non-Pressurized Vacuum tube solar water heater
Vacuum tube specification: 47x1.5M, 47X1.8M, 58X1.8M, 70X2.0M

Vacuum tube Quantity: 15/18/20/24/30/36

Outer tank: High quality imported and Aluminum zinc plated steel board.

Inner tank: SUS304-2B for food grade stainless steel,

frame: imported high quality steel board, with excellent performance in Anti wind and snow

Heat preservation: 55mm Polyurethane wholly macninery compression form foam.