Sioux Chief TurboVent™ 250-122AB Air Admittance Valve With Dual Fit Adapter, 1-1/2 to 2 in, Hub, ABS Body, Domestic

SIOUX250122AB MFG #: 250122AB
  • Country of Origin: US
  • Dimensions: 2-11/16 in Dia x 2-1/8 in H
  • Domestic/Import: Domestic
  • End Style: Hub
  • Manufacturer Name: Sioux Chief
  • Nominal Size: 1-1/2 to 2 in
  • Series: 250
  • Softgoods Material: Elastomer Seal
Sioux Chief 250 series TurboVent air admittance valves shall be installed in either branch or stack applications as vent terminal for secondary venting within the plumbing system. Valve shall incorporate an actuating device which spins upon activation to keep the elastomeric sealing surface clean and free of debris. During drainage, actuating device shall raise a designed distance under negative line pressure to allow optimal air fl ow into the DWV system. Valve shall provide a positive seal at 0 PSI and under any positive line pressure to prevent sewer gasses from entering the living space. Valve shall comply with IPC model code and be certifi ed to ASSE 1050 and 1051 standards.
  • Features and More


  • Actuating device within the unit spins with each activation, keeping the seal free of dust and debris
  • Quick opening air valve at 0.01 in negative pressure, positive seal with 13 psig of back-pressure
  • Each unit is available with DWV adapter
  • Protective debris cover ships with each unit
  • Bulk
  • 2 in NPT
  • 1.13 sq-in open area
  • 2-3/8 in adapter height
  • SCH40


  • ASSE 1050 and 1051 Certified
  • IPC 2009
  • IRC 2009
  • UPC 2009 Section 301.2