Vacuum Tube Compact Non-pressure Solar Water Heater

We are instrumental in providing to our valuable customers excellent quality Vacuum Tube Compact Non-Pressure Solar Water Heater which is available with following Features:
1) A long time of heat preservation.
2) Temperature when exposed to sun without water: 250A C, 2.5 hours to boiling point if using single tube.
3) Stable and reliable performance, well wind resistance.
4) Simple structure and easy to assemble and install.
5) Heat preservation: at least 72 hours. The temperature go down 3~5A C per day.

Specification:
1. Water tank inner steel: 0.4~0.5mm SUS304-2B (food grade stainless steel).
2. Water tank outer steel: 0.4mm colored steel or 0.4 mm SUS304-2B.
3. Stand: galvanized steel with painting, or aluminium alloy, or stainless steel.
4. Water tank heat insulation layer: 50~60 mm polyurethane foam.
5. Stand angle: 15 degree, 20 degree, 25 degree, 30 degree, 38 degree, 45 degree, 51 degree.
5) Heat preservation: at least 72 hours. The temperature go down 3~5A C per day.