solar keymark solar collector 1.CE,SRCC,Solar keymark 2.heat pipe type 3.for school,swimming pool,hotel, factory 4.15 years Introduction:Solar Collector is a device that absorbs thermal energy from the sun and converts it into heat. The heat is absorbed by water, or a freeze resistant water mixture, which can then be used to supplly hot water heating, space heating and even space cooling. It's ...