1-1/4" Air Separator For Hydronic Heating Applications

Online Sku
Model Number
  • Ready to Deliver
  • 4 Available for pick up at
Air separator features heavy, cast-iron construction. It has trade size of 1-1/4 in. This device connects expansion tank using 1/2 in female threaded connection and float vent through 1/8 in female threaded connection.
  • Heavy, cast-iron body construction
  • 1/2 in Female threaded connection for an expansion tank
  • 1/8 in Female threaded connection for a float vent
  • Continuous purging and venting of air in the system when installed with Watts Model ET expansion tank and Model FV4 float-vent