The Complete Package to Purge, Quiet, Fill, and Service Your Hydronic System

Out of the box, Watts’ Boiler Header Module delivers components that make following industry recommended near-boiler piping virtually foolproof. Boiler industry recommendations (system purge station followed by an air separator followed by a service fitting) ensure the contractor correctly pipes a hydronic installation – quickly, easily, and neatly in a compact job space.


  • Allows for considerable functionality in a very economical space
  • Ensures proper piping for safer installations
  • Facilitates quick, clean installation for the heating professional
  • Means faster, easier system service once installation is complete