Non-pressurized Solar Water Heater

Material And Feature:

Tank:              
1)Inner tank material: 0.4mm thickness SUS304-2B food grade stainless steel
2)Outer tank material: 0.4mm thickness  stainless steel
3)Diameter of inner tank: 360mm          
4)Diameter of outer tank:470mm          
5)Insulation layer: 55mm polyurethane foam        
6) Heat preservation: 72-80 hours          
               
Vacuum tube:            
1)Dimension:length 1800mm  diameter 58mm        
2)Tube coating: AL-N-AL        

3) Available tubes are 15, 16, 18, 20, 22, 24, 26, 28, 30 and 36pcs 

   
               
Bracket:              
1)material: 1.5mm galvanized steel          
2) Obliquity of the bracket:   27 degree 38 degree or 45 degrees      
3)life-span:>15 years            
               
Features:            
1) High cost-effective:the price is low ,        
it is the best choice of low-incom and middle-income family           
2) Whole stainless steel material:never rust and anti-erode    
3) High absorb efficiency: >92% low emmissive rate:<10%    
4)Freezing resistance :-25degree         

5)Every vacuum tube is individual.It is easily replaced and     
doesn't affect the normal working of solar water heater when damaged   
6)easy installation             
7)Warranty:5years for fram and tank, 10 years for vacuum tube

8)With assistant water tank