Sioux Chief TurboVent™ 250-122PB Air Admittance Valve, 1-1/2 to 2 in Thread x Hub Adapter, PVC, Black, Domestic

SIOUX250122PB MFG #: 250122PB
  • Country of Origin: US
  • Dimensions: 2-1/8 in H x 2-11/16 in W
  • Domestic/Import: Domestic
  • Manufacturer Name: Sioux Chief
  • Material: PVC
  • Series: 250
  • Specifications: 1-1/2 to 2 in Thread x Hub Adapter
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 connect to DWV system via Sch. 40 adapter which complies with ASTM D2665 (PVC) or D2661 (ABS). 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 flow 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 be made in USA, comply with IPC model code and be Certified 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
  • Protective debris cover ships with each unit
  • New contractor packs available
  • Each unit is available with DWV adapter
  • Bulk pack
  • 8 (drainage fixture units) stack
  • 20 (drainage fixture units) branch
  • Positive seal with 13 psi of back pressure


  • ASSE 1050/1051
  • ASTM D2661/D2665/F409
  • IPC 2009
  • IRC 2009
  • UPC 2009