DuraVent DuraChimney II Class A UL103 Chimney System

DuraChimney II UL103 Class A Chimneys are a high-performance chimney system designed for use with wood stoves, fireplaces, and other solid-fuel burning appliances that require safe and insulated venting system.

Its lightweight and unitized design requires no pipe assembly, allowing faster installation. The chimney stays cool outside while keeping a hot draft inside for fire safety. Additionally, its double-wall and air-cooled construction allows for radial and lengthwise expansion under high temperatures. They are UL 103-tested for continuous operation at 1000°F, one hour at 1400°F, and ten minutes at 1700°F.

Professional installation is recommended to ensure proper alignment, secure connections, and compliance with safety codes.

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