Zhejiang sunlight solar energy industry co.,ltd
solar water heater
low price solar water heater
The working principle of the this one which has a small tank on top is similar as the one compact non-pressured solar water heater without the assistant tank,it is also open to air and relies naturally into storge tank,while cold water in storge tank flows back to vacuum tubes.The tank must be located above the absorber tubes and the whole system need to be installed on the roof and face to the sun.The mainlly different of this one which has a small tank on the top with the one without the small tank is the small tank can fill full the big water tank storge if there is no enough water inside of the big tank
