Oatey® 1-1/2 in. NPT In-Line Vents replace secondary plumbing vents that protect the traps in kitchens and bathrooms. This mechanical vent installs on the drain line and vents the line without allowing sewer gas to enter the home. Oatey products have earned the trust of plumbing professionals for over 100 years.

• 1-1/2 in. NPT ABS in-line vent
• Use as an alternative to a secondary vent in a DWV system
• Vents up to 20 DFU Branch or 8 DFU Stack
• Spring-loaded to open with negative pressure and close with positive pressure
• NSF-24 listing for use in recreational vehicles
• For warranty product details, refer to the Oatey Limited Warranty document