The Orbit Reflux Unit locates on to the Atlas Hotplate (2101001), Hot and Cold Plate (2200047) and most third party stirrer hotplates.  The Orbit 6 (2200033) and Orbit 12 (2200032) fit into the Orbit Reflux Unit.  The Orbit Reflux Unit requires running cold water (or circulated coolant) to cool the condenser efficiently and a nitrogen or argon supply to create the inert atmosphere for the reaction tubes.  As the Orbit 6 or Orbit 12 is lowered into the Orbit Reflux Unit, the nitrogen/argon connection is automatically made and the condenser section of the Orbit 6 or Orbit 12 is cooled.

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