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Cyprus is a sunny island, If you are not familiar with vacuum solar water heaters, please review the enclosed information. The advantages of this type of solar are many.Why a vacuum? As you would know if you have used a glass lined thermos flask, a vacuum is an excellent insulator. This is important because once the evacuated tube absorbs the radiation from the sun and converts it to heat, we don't want to lose it.

Author: Paul_Lee 567 days ago on Category: Electronics

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