Show of Solar Water Heater with Copper Coil.SFD.

This video shows the product details and design of 1st sunflower company's Solar Water Heater with Copper Coil, including water tank, solar collectors, brackets and accessories, which will help you understand the product composition, features and functions of SFD.
SFD is a domestic solar water heater that actively performs natural circulation by virtue of the thermosiphon principle. The water tank itself is not under pressure, but through the built-in copper coil in the water tank,the runing water is immediately exchanged for heat to achieve the purpose of utilizing fresh high-pressure hot water.
Product Link:http://en.sunflower.tw.ldyjz.com/SFD-...
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