Combination Cat I and Cat IV gas vent system
Commercial

Combination Cat I and Cat IV gas vent system

FasNSeal® 80/90 is a unique, patent pending system that exhausts 90+ condensing appliances with Type B atmospheric units within the same vent. Using your pre-existing common vent, our cap improves the operation of both the remaining atmospheric appliances, and the new condensing unit, while not disturbing finished space during installation. Finally a solution when you need to deal with narrow lot lines, clearance to window and door openings or when side wall venting just isn’t practical.

Applicable Standards
  • ANSI/UL 1441

    Standard for Safety for Coated Electrical Sleeving

  • ANSI/UL 1738

    Standard for Venting Systems for Gas-Burning Appliances, Categories II, III, and IV

  • ANSI/UL 1777

    Chimney Liners

  • ULC 636

    Standard for Type BH Gas Venting Systems

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