Focusun Energy Systems
Focusun Energy Systems
Avinashi Road, Coimbatore, Tamil Nadu
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Commercial Solar Water Heaters

We are a leading Manufacturer of flat plate commercial solar water heater and evacuated tube commercial solar water heater from Coimbatore, India.

Flat Plate Commercial Solar Water Heater

Flat Plate Commercial Solar Water Heater
  • Flat Plate Commercial Solar Water Heater
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Product Details:

Tank MaterialAluminium
BrandSunlit
Collector area 2.03 M2
Collector Size 2030mm x 1030mm x 100mm
Absorber area 2.0 M2
ReflectorAluminum foil of 0.1mm thickness
Collector InsulationFiberglass insulation@ 48Kg/M cube density.
Retainer Angle for Glass Extruded aluminum key 25mm x 10mm x 1.4mm thick
Box Material Extruded Aluminum sections of 100mm x 25mm x 1.4mm thick with power coating

The solar hot water system is based on the principle of back body absorption. The black surface of the collector absorbs the heat energy from the sun rays and transfer it to the water passing through the copper tubes. Hot water is lighter in density, raised to the insulated storage tank and an equal amount of cold water replaces this hot water from the copper tubes.
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Evacuated Tube Commercial Solar Water Heater

Evacuated Tube Commercial Solar Water Heater
  • Evacuated Tube Commercial Solar Water Heater
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Product Details:

MaterialBorosilicate Glass 3.3
Absorptive Coating Graded CU-N/CU)
Maximum Strength 0.8MPa
Stagnation Temperature 200oC
Tank MaterialStainless Steel, Aluminium
Length (nominal) 1800mm / 1500mm
Brand Sunlit
Outer tube diameter 58 mm / 47 mm
Inner tube diameter 47mm / 37mm
Glass Thickness 1.6 mm
Thermal expansion 3.3x10-6 oC

Evacuated tubes are the absorber of the solar water heater. They absorb solar energy converting it into heat for use in water heating. Evacuated tubes have already been used for years in Germany, Canada, China, and the UK. There are several types of evacuated tubes in use in the solar industry. At Sunlit, we use the "Twin-Glass Tube" technology. This type of tube is chosen for its reliability and better performance.
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Jagdish Kumar (Chief Operating Officer)
No. 27, Dr. Jaganathan Nagar, Near Jeneys Club
Avinashi Road, Coimbatore- 641014, Tamil Nadu, India



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