Characteristic:
1) Performance: n0=77%, K1=1.47 w/m2k, K2=0.0051 w/m2k2.
2) Can work perfectly even there are tubes broken.
3) Maximum working pressure: 10 Bar
4) Resistance against hail: Dia. 25mm
5) Coefficient of absorption: 0.94 -- 0.96
6) Coefficient of emissivity: 0.04 -- 0.06
7) Coefficient of transmissibility: 0.91
8) Coefficient of thermal losing: <0.6W/M2/C
9) Efficiency: 92%
Advantages
1) Higher performance
2) Lower heat loss
3) Working totally automatically using controllers and heat probe.
4) Works on cloudy days
5) Easy to install
6) Extendable for increased demand
7) Available for house using as well as for buildings
8) Excellent freeze protection