Professional Commercial Espresso MachineECM Germany Technika Profi IV Professional Commercial Espresso Machine switchable direct connect tank The ECM Manufacture Technika IV Profi espresso machine can switch between a reservoir tank mode and a direct water line connection. The newest feature is the stainless steel guide rails placed on the black frame so the drip tray does not scratch the black paint on the side rails. Compared to the ECM Germany Barista model, the Technika has wider and