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 Complie