39226 - Sure-Vent 20 Branch, 8 Stack DFU Capacity Air Admittance Valve w/Black Tubular Adapter

Oatey® Sure-Vent® 20 Branch, 8 Stack DFU Capacity Air Admittance Valve w/Black Tubular Adapter The Oatey® Sure-Vent® 1.5" 20 Branch, 8 Stack DFU Air Admittance Valve with Black Tubular Adapter is a one-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system eliminating the need to tie into a stack vent. Superior engineering along with stringent quality standards ensure unmatched performance as a secondary vent. Oatey products have earned the trust of plumbing professionals for over 100 years. For use as a secondary vent Black tubular adapter One size approved to handle up to 2" vent pipe Vents up to 20 DFU Branch or 8 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 ¼" 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 For warranty product details, refer to the Oatey Limited Warranty document  PTZ190007