Solar Water Heater, Grade : Automatic

We offer solar water heater.
Specification:
1. Bracket: galvanized steel stainless steel aluminium alloy, thickness: 1.2-1.5mm;
2. Inner tank: sus 304-2b food grade stainless steel, thickness: 0.4-0.6m;
3. Outer tank: galvanized steel, thickness: 0.3-0.5mm
4. Out tank dia.: 420480500520mm;
5. Insulating layer thickness: 50-60mm polyurethane;
6. Back-up electric heater: 1-3kw;
7. Assistant water tank or digital controller optional;
8. Inlet, outlet and pressure vent will be welded;
9. Vacuum tube: strong transparent borosilicate glass can resist impact from hail up to 25mm diameter. Three targethigh tube: tri-element coating (alnaln-sscu) or al-n-al coating, dia. 58mm, 1.8m or dia. 47mm, 1.5m
10. Capacity: 100150170200230300400450500l
11. Quality guarantee: 5 years
12.deliver time: in 15 days
13. Wind resistance: 30ms
14. Hail resistance: 25mm.