Additional InformationASSE 1050, 1051|ICC-ESR-1664|IPC Certified|IAPMO Approved|NSF 14|UPC Certified
Marketing InformationOatey® Sure-Vent® air admittance valves provide the ideal venting solution for island sinks, remote bathrooms and remodel jobs by eliminating the need for a stack vent. They are designed to block sewer gases in DWV systems by opening and closing when the slightest change in pressure is detected. Available with PVC or ABS adapters, this Sure-Vent® air admittance valve vents up to 20 DFU (branch) or 8 DFU (stack) and fit 1-1/2 in pipes. Oatey® products have earned the trust of plumbing professionals for over 100 years.