Hoffman H2OMIT Vent & Drain

A Vent &  Drain solution from the authority on quality enclosures.
For more than 60 years, companies have relied on Pentair Technical Products’ Hoffman brand to protect their electrical and electronic components from challenging environments—from dusty plant floors to rainy, windy weather. When your business depends on protecting your equipment, depend on Pentair Technical Products.

Vent Drains


  • Stainless steel vent drain: Corrosion-resistant polyester material�
    with a Type 304 stainless steel sleeve
  • Non-metallic vent drain: Corrosion-resistant polyester material
    industry standards:
  • UL 508A Listed; Type 4, 4X; File No. E61997
  • cUL CSA C22.2 No. 94; Type 4, 4X; File No. E61997
  • NEMA/EEMAC Type 4, 4X


  • Installs in a 7/8 -in. hole in the bottom of enclosure with provided nut or in a 1/2 -in. NPT/NPS threaded conduit hub
  • Installs in mild steel, aluminum, stainless steel or non-metallic enclosure

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