Oatey Sure-Vent® Air Admittance Valve, 1-1/2 to 2", NPT, ABS, 1-Way

OA39019 MFG #: 39019
  • Brand: Oatey®
  • Inlet Connection: Threaded
  • Applicable Standard: IAPMO, IPC, IRC, ISO 9001
Oatey® Sure-Vent® 20 DFU Capacity Air Admittance Valve's one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system.
  • Features and More


  • The Purpose of an Air Admittance Valve is to Provide a Method of Allowing Air to Enter the Plumbing Drainage System without the Use of a Vent Extended to Open Air and to Prevent Sewer Gases from Escaping into a Building
  • An Air Admittance Valve is a One Way Valve Designed to Allows Air to Enter the Plumbing Drainage System when Negative Pressures Develop in the Piping System
  • The Device Shall Close by Gravity and Seal the Vent Terminal at Zero Differential Pressure (No Flow Conditions) and Under Positive Internal Pressures


    Schedule 40 Adapter