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Enjoy the convenience of hot water in your homes day and night for a cleaner healthier lifestyle.
Solar water heaters use free fuel from the sun and thus eliminate recurring cost on expensive electricity or gas.
The CnG Solar Water Heater is very affordable with prices comparable to traditional electric water heating tanks. It is also 50% cheaper than the lowest priced flat panel solar water heaters.
It uses state-of-the-art evacuated glass tubes as thermal collector and comes in two types, the pressure and non-pressure series.
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Non-Pressure Series
- Heat exchange is on the evacuated tube, cold water descends and hot water ascends back to the tank;
- Hot water may reach 95 degrees Celsius, with air vent to prevent excessive temperature;
- With alternative electric booster for prolonged cloudy days
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Pressure Series
- Same principle as the non-pressure series in terms of producing hot water in the tank;
- Hot water in the tank heats copper coil, heat exchange is on the copper coil where pressured cold water passes thru;
- Also fitted with electric heating booster for use during prolonged cloudy days.
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Material Components
- Inner tank is stainless steel SUS304-0.5mm;
- Outer tank is aluminium-zinc coated steel;
- Frame is coated galvanized steel – 1.5mm;
- The material of insulation is polyurethane 50mm/60mm/65mm
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How does the solar evacuated tube water heating work?
Cold water from the tank descends by gravity to the evacuated tube. As the water descend, heat exchange occurs from the highly heat absorbing elements of the tube to the water passing thru. Hot water returns back to the tank until all the water stored achieves a maximum temperature.
The evacuated tubes has three-target plates of sputtering selective-coating surface – copper, stainless steel and aluminium nitride (also called “Double M-ALN cerment layers ). Such combination achieves the highest thermal efficiency and good thermal stability. Solar selective coatings absorb most solar radiation while simultaneously suppressing the thermal emittance loss from coating surfaces. It has higher absorption (> 95 %) and lower emittance (< 5 %) than traditional selective coating surface.
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