Solar Geysers | Totally Solar

By: Totally Solar  11-11-2011
Keywords: vacuum

High Pressure 200l Solar Geyser Pre-Heater

Length (Nominal) 1800mm
Outer Tube Diameter 58mm
Inner Tube Diameter 47mm
Glass Thickness 2mm
Thermal Expansion 3.3 x 10 -6 Degrees Celsius
Material Borosilicate Glass 3.3
Absorptive Coating Graded Al-N/Al
Absorbence >92% (AM1.5)
Emittance >8% (80 Degrees Celsius)
Vacuum P<5×10 -3 Pa
Stagnation Temperature >200 Degrees Celsius
Heat Loss <0.8W/(m2 Degrees Celsius)
Maximum Strength 0.88MPa
Hail Proof Up to 40mm diameter
Freeze Proof  

Very efficient system, designed to be fitted in conjunction with existing electric geyser.  Excellent electrical cost savings!  System lies flush on pitched roof.

Gravity feed Solar Geyser

Keywords: vacuum

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