Sioux Chief 239 Anti-Siphon Auto Vent, 1-1/2 in MNPT, ABS, Domestic
Air Vents
MPN: 11791 4009743 MFG #: 239
5.43700 / ea

Tomahawk Anti-Siphon Auto Vent, Series: 239, 1-1/2 in MNPT, ABS, Domestic

/ Pack: 50/CS
  • Features
  • For secondary venting only
  • Each drainage system must have a main vent stack
  • To be installed in a readily accessible location with free flow of air, never in a sealed wall cavity
  • Sealing disc of auto vent must be located at least 6 in above the top of the trap are
  • Two fixture may be drained by a common 1-1/2 in drain pipe
  • Three or more fixture will require a 2 in drain pipe