Solar Water Heater (Green Module)


Technical Specifications of Vacuum Tube :
Material1.6mm Borosilicate 3.3 glass
Outer Diameter58mm / 70mm (whatever applicable)
Inner tube diameter47mm / 54mm (whatever applicable)
Tube Length1800mm / 2100mm (whatever applicable)
Absorptive coatingCU - AL - N / SS (Three Layer)
VacuumP<5 x 10-3 PA
Absorptance> 92% (Am 1.5)
Glass thickness1.6mm
Emittance<8% (80°C)
Thermal expansion3.3*10-6 °C
Stagnation temperature>200° C
Heat loss><0.8 w /
Maximum strength>0.8 MPa


Technical Specifications for Tank :
Inner Tank2.5mm Galvanized Iron (G.I) TIG and MIG Welded
Inner CoatingHigh Grade Anti-Corrosive Coating
Outer Cladding0.45mm Galvanized Iron (G.I) with P P Powder Coating
Insulation50mm PUF (38kg. / mt3 density)
Stand1.6mm (G.I) with P P Powder Coating Or 30 x 30 x 3mm M.S with P P Powder Coating
Electric Backup1.25”
Warranty6 Years on Green Model / No Press available


Monthly Savings Chart :
Traditional Energy

150 liter

3-4 Members

300 liter

9-10 Members

500 liter

15-16 Members

2 kw electric heater625/-*1250/-*2080/-*
Natural Gas523/-*1046/-*1744/-*

* Price of electric unit Rs. 4.5 + tax caculation is shown

* Price of gas Rs. 40 / kg.

* In calculation, cold water temperature kept at 25°C & Heated temperature at 50°C


Vacuum tubes assimilate the advanced 12 years of spattering deposition of trivalent element technology, high borosilicate glass, gradual change of CU - AL - N / SS selective complex absorptive coating. And these make vacuum tubes having high performance of absorbance and low reflection ratio. Through the inter layer, vacuum has a unique effect of thermo, with its temperature up to 380° C of idle sunning, performing a strong heating ability.

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