Additional InformationASSE to 1050, 1051 Specified|ASTM D2661/D2665 Specified|IAPMO Listed|IPC 2021 918.1; IRC 2021 P3114.1|UPC 2021 Section 301.3 Certified
Marketing InformationSioux Chief 250 Series TurboVent air-admittance valve shall be installed as vent terminal for secondary venting within the plumbing system. Valve shall connect to DWV system via SCH 40 adapter and be accessible after installation. Valve shall incorporate an actuating device which spins upon activation to keep the sealing surface clean and free of debris. During drainage, actuating device shall raise 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.