7, Stagnation Parameter: -280m2C/KW
6, Vacuum : less than 5x10-3 PA
5, Emittance: Less than 6%
4, Absorbance : More than 93%
3, Construction: Graded AL-N/AL Solar Selective Absorbing Coating
2, Size: 58x1800mm blue-black or red with heat pipe
1, Glass Material: Borosilicate Glass
Solar tube by Borosilicate Glass,Size: 58x1800mm blue-black or red
solar water heater controller
solar water heater controller
1.high quality
2.solar intelligent controller
3.connect with split pressurized solar heater
solar water heater controller: | name |
Place of Origin: | Zhejiang China (Mainland) |