UL-ULC Listed Emergency Pressure Relief Vent (369)


Male thread, “mushroom” style top design emergency vent made of heavy duty cast iron, (aluminum base available). Top acts as weather deflector and minimizes the chance of theft or vandalism. Machined top & base with Buna N “O” Ring provides a vapor resistant seal.

  • Made in USA

  • UL Listed

  • ULC Listed


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    Installation & Maintenance

    Recommended Accessories:

    AST Overfill Prevention Valve
    AST Spill Containment Box
    AST Sight Gauge
    AST Audible Alarm