Description

For use as a secondary vent | PVC Schedule 40 Adapter | One size approved to handle up to 3″ vent pipe | Vents up to 160 DFU Branch or 24 DFU Stack | Sweet Spot� technology opens valve at -0.01 psi and seals at 0 psi and above | Screening on air inlets to guard the seal | Protective sleeve provides grip for installation and keeps valve free from debris | 100% functionally tested at �” H2O and 30″ H2O ensuring trouble free performance | Complies to ASSE Standard 1050 and 1051 | International Plumbing Code (IPC) and Uniform Plumbing Code (UPC) approved