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Solar Water Heater working principle:
The system consists of flat plate solar collector and highly insulated water tank. The collector is designed
such that the cold water entering is heated up when sunshine falls on it. The heated hot water moves up and stored in the insulated water tank due to the decrease of density, the
fresh water reaches the solar collector by thermosyphoning (Natural Flow). This process carries automatically till the sunshine is available. The hot water stored in the tank will
have a heat retention for three days.
Technical Specifications:
Absorber - Copper black chrome selective coating (Nalsun)
Collector Box
- Powder Coated Black
No. of
fins - 10 fins
Fin
Type - Deep serrated fins to increase surface area of 10 to 15
%
Top Cover/ Glazing - Toughened Glass 4mm
thick
Insulation - Rockwool 48 kg/ cu.mtr density for colletor
& 100 kg/ cu.mtr for Tank
Inner & Outer Tank - Stainless Steel 304
Grade
InnerTank Welding - Tig welding to prevent
corrosion
Sacrificial Anode Rod - Incorporated for Hard water
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