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Solar Hot Water Panel Specifications

30 tube solar thermal collector panelOur efficient modern solar water heating systems utilize the latest evacuated tube & heat-pipe technology to make them extremely efficient.  They can convert 60% of the solar energy that falls on them into useful heat energy.  They can operate in temperatures as cold as -35°C enabling them to contribute to water heating throughout the UK winter.  There is no risk of frost damage and they are durable, and resistant to hail.  During the summer they can provide 90-100% of your hot water needs.  Averaged over the year they will provide ~50-70% of hot water required.  (Examples of performance.)

The technology behind our hi-tech solar water heating panels is explained further here.
Our solar water system kits include solar collector(s), separate twin-coil water tank (enabling connection to solar panels and conventional boiler),  intelligent digital solar controller and pump-station.  The panel frame and manifold are made of powder coated (anodised) aluminium thus giving our panels excellent corrosion resistance and a high quality finish.  The panels are manufactured to a high standard and are designed to last and look good on your roof for over 20 years.   The roof fixings are stainless steel.  All kits come with detailed instructions for installation and commissioning, and this is within the capabilities of most DIYers.

As shown to the right all of our vacuum tubes are etched with our logo on the inside tube during manufacturing, so you can be confident you are purchasing the genuine article.
 

Vacuum Tube
Water Heating Panels
Number
of tubes
(all tubes Φ58mm *1800mm)
Collector Gross Area
(m2)
Collector Absorber Area (m2) Panel Dimensions
(W x L mm)
Daily Output
(litres) at 50C
Annual Output* (kwh)
  SCM18-58/1800 18 3.17 1.67 1586 x 2000 135-185 1845
  SCM24-58/1800 24 4.13 2.23 2066 x 2000 180-250 2404
  SCM30-58/1800 30 5.09 2.79 2546 x 2000 225-315 2963

*Results from testing at the Institute Für Solarenergieforschung GmbH in Germany based on irradience of 1011kWh/m2

Vacuum Tube Specifications

Length: 1800mm
Outer tube diameter 58mm
Inner tube diameter 47mm
Glass thickness 1.6mm
Thermal expansion  3.3x10-6
Material Borosilicate Glass 3.3
Absorptive coating SS-Al/N-Cu
Absorption coefficient >93%
Emission coefficient <6%
Vacuum P <5x10-3 Pa
Wind resistance 30m/s
Freezing resistance -35 C
Stagnation temperature >220 C
Net weight 2.47kg
Heating capacity per tube approx 8 litres of water to 50C per day

 

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