Non-pressurized solar water heater DK7020-20

Solar water heater:
1,modular design
2,economical and high-efficiency
3,durable and fashional
4,easy heating & installation

Solar water heater features:
1.Modular design, arbitrary combination,harmonize with the building perfectly.

2.Intelligent control and automatic operation.

3.Multifunction: bathing, washing ,domestic heating ect.

4.Work longer hours and enjoy your hot water life.

 

 

Specifications:

 Model:  DK7020-20
1) Vacuum tube: borosilicate glass 3.3, Al N/Al N-SS/Cu selective absorbing coating
2) Vacuum tube size: Φ70x2000mm
3)  Vacuum tube qty: 20 pcs
4) Interval: 7.7cm
5) Heat insulating layer: 50mm thickness polyurethane foam
6) Heat preservation: 72hrs
7) Inner tank: made of SUS304-2B food grade stainless steel
8) Thickness of inner tank: 0.35
9) Outer tank: pearl galvanized sheet
10) Tank diameter: 460mm
11) Bracket: galvanized steel sheet/stainless steel
12) Thickness of bracket: 1.4mm
13) Hail resistance: 25mm
14) Colour selection: red / golden / black / blue / purple
15) 1 set of dimension(cm)LxWxH:         cm
16) Packing: carton/wooden frame(for vacuum tube)
17) Water tank capacity: 230L
18) Reflex angle: 27/38/45
19) Weight: 93kg/1set
20) Seals: Silicone polymer.
21) Screw material: Stainless steel
22) Water tank type: unpressurized