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HEYClean™ Liquid Tight Snap-In Vent Plugs

With Integral Sealing Flange/Washer and Liquid Tight Filter
Mounting Hole Diameter Range: .500˝ (12,7 mm) to 1.125˝ (28,6 mm)

  • Part Numbers and Specifications
  • Features
Hole Dia.*
LPM @ 13.5 psi
Black B
To Prevent
Max O.A.
in. mm. in. mm. in. mm.
.500 12,7 3481VB LTSV 500 .450 11,4 .600 15,2 0.301 CAD
.875 22,2 3486VB LTSV 875 .770 19,6 .620 15,7 0.301 CAD
1.125 28,6 3488VB LTSV 1125 1.000 25,4 .660 16,8 0.524 CAD

Standard color black. Consult Heyco for other colors.
* Consult Heyco for additional sizes.

  • Integral sealing ring ensures a superior seal at mounting hole location, every time; IP 65, 67 and 68 Rated.
  • Allow the passage of air for ventilation and heat dissipation, yet prevent moisture intrusion, remain liquid tight.
  • UL Rated for Type NEMA 3R, 4 and 4X applications.
  • Filter membrane is both hydrophobic and oleophobic and prevents moisture and particulate contamination in electronic enclosures.
  • Pressure compensating seal prevents buildup of pressure inside of electronic enclosures due to environmental temperature cycling.
  • Quick and easy installation into Threaded (LTTVP) and Clearance (LTSV) Holes.
  • Membrane seal is ultrasonically welded to nylon body.
  • Lower cost option over metal or steel plugs.
  • Approximate Head Thickness: .21" (5,3 mm). Thickness may vary.
  • Hex shaped head for wrench installation (LTTVP only).
  • Electrically non-conductive Nylon 6/6.
  • Quick and easy Snap-in installation into Clearance Holes.
  • All sizes and types feature 6 (six) vent holes.
  • Snap-In plugs for panel and housing applications.
  • Lower cost option over brass or steel plugs.
  • Snap into a range of panel thicknesses up to .125" (3,2 mm) with no tools (LTSV only).


Material   Nylon 6/6 bodies with an Acrylic Copolymer Filter
Certifications CRUUS Recognized under the Component Program of Underwriters' Laboratories, File E330194 to both Canadian and U.S. Requirements
Flammability Rating   94V-2
Temperature Range   -40°F (-40°C) to 221°F (105°C)
IP Rating   IP 65/67/68
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