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H2Omit Vent Drains

Catalog Number:  AVDR4NM
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Model Code:

  • 17763
  • Bulletin Number:

  • H2O
  • Industry Standards:

    Maintains UL/cUL Type 4, 4X rating when properly installed on a UL/cUL Type 4 or 4X enclosure. UL 508A Listed; Type 4, 4X; File No. E61997 cUL Listed per CSA C22.2 No 94; Type 4, 4X; File No. E61997 NEMA/EEMAC Type 4, 4X IEC 60529, IP66
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    H2Omit Vent Drains allow accumulated water to drain out the bottom of an enclosure. The UL-approved vent drains also function as an air pressure equalizer, reducing the harmful effects of temperature-induced vacuums that could pull water and moisture into the enclosure.


  • Uses gravity to remove collected liquids
  • One-way mechanical shut-off when pressure is equalized prevents water and contaminants from entering the enclosure
  • Helps reduce corrosion that can limit the life of internal electrical and electronic components
  • 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 the bottom of mild steel, aluminum, stainless steel or non-metallic enclosures
  • Maintains enclosure’s UL Type rating when properly installed
  • Specifications:

  • Stainless Steel Vent Drain
  • Corrosion-resistant polyester material with a Type 304 stainless steel sleeve
  • Non-Metallic Drain Vent
  • Corrosion-resistant polyester material
  • 2.00-in. long x 1.25-in. outside diameter
  • Notes:

    Reference the Spec Sheet in the Downloads tab for complete product specifications.
    H2Omit Vent Drains
    Catalog Number
    Description H2Omit Vent Drains - Non Metallic
    Depth (in.) 1.25
    No accessories available.