ESBE Double Circulation Unit, Direct/Mixing Function - DAA100 / DDA100 ESBE Double circulation units Series DDA100 and DAA100 are compact units for two separated heating circuits. A Double circulation unit is the perfect choice for heating pumps, and boilers which are working with radiator and/or underfloor heating. The units are equipped with two highly efficient pumps, valves with progressive characteristic, actuators with Quick-Fit connection, ball valves with thermometers, manifold with by-pass function and insulation shell. Version DDA100 is prepared for one direct and one mixed heating circuit, and version DAA100 is prepared for two mixing circuits. The DDA100 version can easily, thanks to the upgrade kit, be upgraded to work with two mixing circuits. Thanks to the smart construction of the units the mixing function can be moved from right to left position. Compact, all in one design Easy to install Manifold with option of hydraulic separation easily set with a screw Check valve integrated into ball valves return line High flow rate Possible to upgrade with upgrade kit Quick-fit actuator Cable channels for a clean look
