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UL 959-10 Standard for medium heat appliance factory-built chimneys

Publication Year

2010

Document Status

Current

Abstract

Specifies factory-built chimneys intended for venting gas, liquid, and solid-fuel-fired medium-heat type appliances in which the maximum continuous flue-gas temperatures do not exceed 1800°F (980°C).

Document History

Revised April 03, 2024.

Publisher Information

Underwriters Laboratories

Established in 1894 as the Underwriters' Electrical Bureau, UL is a global safety consulting and certification company, approved to perform safety testing by the U.S. federal agency of Occupational Safety and Health Administration.

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