Sure vent, air admittance valve, advanced sealing technology with 1-1/2″ – 2″ pvc adapter, solvent welds to 1-1/2″ & 2″ with supplied adapter & threads into 2″ female iron pipe adapter, tested to comply for dwv to nsf standard 14 asse 1050 & asse/ansi 1051 a&b with on going quality control for plastic components & standard compliance, sure vent exceeds the asse 1050/51 standard’s positive pressure rating.
- 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 ¼” H2O and 30″ H2O ensuring trouble free performance
