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About This Item


Full Description

This National Standard of Canada applies to factory-built chimney assemblies which do not require field fabrication. They are for use with gas, liquid and solid fuel-fired residential appliances and building heating equipment, where the flue-gas temperatures normally do not exceed 650 °C. They are intended for installation inside or outside of buildings to provide an essentially vertical conduit or passageway for conveying flue gases to the outer air from the above-described class of appliances.

Document History

  1. ULC 629


    Standard for 650 deg. C Factory-Built Chimneys (CAN/ULC-S629:2016)

    • Most Recent
  2. ULC 629

    Standard for 650 deg. C Factory-Built Chimneys (CAN/ULC S629)

    • Historical Version