Solar water heater gravity fed. I know that ηλιακός θερμοσίφωνας is a solar water heater on the roofs of houses in the Mediterranean area but what is 'gravity fed' in Greek? Συνέχεια εδώ.
What also is the name of the solar panels which collect the sun's energy? Ηλιακοί συλλέκτες;:s
