20 Branch 8 Stack DFU Sure Vent 1.5 in PVC

750857 MFG #: 39005
  • Body Material: PVC
  • Size: 1-1/2"
  • Specifications
  • Description
  • Complies to ASSE Standard 1050 and 1051
  • For use as a secondary vent
  • One size approved to handle up to 2" vent pipe
  • Opens/closes as needed by building's plumbing system
  • IAPMO Listed
  • Closes through gravity
Oatey® Sure-Vent® 6 DFU Capacity Air Admittance Valve is a one-way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system.