Ejector Automatic Air Vent

Ejector Automatic Air Vent

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Redundant float air release valve for installation on wet fire sprinkler systems. Automatically allows trapped air to escape the pipe network as the system is filled with water. The PAV-W controls corrosion by reducing trapped oxygen in fire sprinkler systems.


  • FM Approved
  • No requirement to plumb to drain
  • Meets NFPA 13 2016 edition venting requirements
  • Integral high visibility gauge to indicate vent operation from finished floor
  • Can be converted for nitrogen inerting with PAV-WNK kit 


  • 1” NPT connection
  • UL Listed
  • 40°F to 270°F (4.5°C to 132°C)
  • 14” x 7” x 7” (W x D x H), 8 lbs
  • Industry best 5” clear height
  • 1/2” MNPT system connection
  • Rated for 175 psi
  • No plumbing to drain required
  • Available supervised model for remote monitoring (PAV-WS)

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