This is non-pressure type solar collector special for commercial use, normallone solar collector
could offer 0.5t hot water.
Technical information:
1) Casing: aluminum alloy
2) Insulation layer: polyurethan foam
3) Manifold: Red copper
4) Frame: Aluminum alloy
5) Frame angle: 20-56 degree
6) Pressure: 0.05MPa=0.5Bar