Watts’ Boiler Header Module

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