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 that spins upon activation to keep the elastomeric sealing surface clean and free of debris. During drainage， the actuating device shall raise a designed distance under negative line pressure to allow optimal airflow 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 the IPC model code and be certified to ASSE 1050 and 1051 standards.

• Brand Name: TurboVent
• Sub Brand: 250 Series
• Schedule Type Number: Schedule 40
• End 1 Diameter: 1-1/2 in.
• End 1 Type: Hub in.
• End 2 Diameter: 2 in.
• End 2 Type: Hub
• Material: PVC
• Product Type: Air Admittance Valve
• Number in Package: 1 pk
• Application: DWV
• Average Lead Content: Lead-Free
• ANSI Certified: No
• Packaging Type: Boxed
• Underground Rated: No
• NSF Listed: No
• IAPMO Certified: Yes