Features
- Rated 20 DFU's for venting DWV 2 in and smaller
- Sweet Spotâ„¢ technology opens at -0.01 psi and seals at 0 psi and above
- Screening on air inlets to guard the seal
- Protective rubber sleeve provides grip for installation and keeps valve free from debris
- 100% functionally tested at 1/4 in H2O and 30 in H2O ensuring trouble-free performance
- For use as a secondary vent
- One size approved to handle up to 3 in vent pipe
More Specifications
- Connection Type: NPT
- Material: PVC
- Temperature Rating: -40 to 150 deg F