This is a one-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system.
- For use as a secondary vent
- PVC Schedule 40 Adapter
- One size approved to handle up to 3″ vent pipe
- 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 debri
Reviews
There are no reviews yet.