Vacuum Tube Non-Pressurized Solar Water Heater

1. Inner Tank: o.41mm SUS304-2B food grade stainless steel (optional material: SUS316L).
2. Outer Tank: o.31mm color steel (SUS304-2B).
3. Bracket: galvanized steel plate with plastic spraying, thickness 1.2mm/1.5mm, angle 20;/30;/40;/45;.
4. Insulation: 55mm polyurethane layer.
5. Vacuum tube material: borosilicate glass 3.3; AL-SS-CU absorb coating
6. Seal material: Stabilized High Temperature Silicon
7. It resists 25mm hail.
8. Heat preservation: 72 hours



Seaworthy cartons for container orders, Wood case for samples.