Ritter Gruppe - Collecting Box and Heat Transfer Unit

The insulated collecting and distribution pipes are located inside the collecting box.The advance or return connection can take place alternatively on the left of or on the right.In each evacuated tube there is a U pipe with direct flow-through that is connected in such a way to the collecting or distribution pipe that each individual evacuated tube exhibits the same hydraulic resistance. This U pipe is pressed to the inside of the evacuated tube with the heat guide plate.