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- 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.
Air Admittance Valve, Series: 250, 1-1/2 to 2 in Nominal, ThreadxHub Adapter, ABS Body, Elastomer, 2-1/8 in Hx2-11/16 in W
- 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
- 20 (drainage fixture units) branch
- Positive seal with 13 psi of back pressure
- With dual fit adapter and fire rated OX box kit
- Body MaterialABSDomestic / ImportDomesticEnd StyleThread x Hub AdapterNominal Size1-1/2 to 2 inDimensions2-1/8 in H x 2-11/16 in WManufacturerSioux ChiefManufacturer #250-696R122PSeries250Softgoods MaterialElastomer