solar water heater:
1. stainless steel 304 Housing Material and Frame
2. CCC, CE, ISO9001 ISO14001
3. 5years for whole

solar water heater:
1. stainless steel 304 Housing Material and Frame
2. CCC, CE, ISO9001 ISO14001
3. 5years for whole system

 

a.Vcacuum tube:

Evacuated Tube: tri-element tube;High boron and silicon content 3.3;Structure:Gradual change SS-AL-Nx/Cu selective absorption coating;Vacuum Degree:P<=5*10-4;Service Life:15 years

1.

1.2.Dia(mm):58/47

1.

1.3.Len(mm):1800/1500

b.Tank:

Dia outer/inner (mm): 470/360,420/310Outer tank: stainless steel 304 BA/ stainless steel 304 2BInner tank: stainless steel 3042BHeat insulating layer: 55mm thickness polyurethane foam

c.Frame

1.Frame Material: Galvanized steel plate with plastic spraying 1.5mm thickness

2. Frame material:aluminum alloy with 2.0mm thickness

3.Frame material: stainless steel 304 with 1.2mm thickness.

d) Electric heater: 1.5Kw to 3Kw

Can produce according to customer's designated requirements