1.1 These requirements cover adapters for attaching and supporting specific factory-built chimneys for residential type and building heating appliances to a masonry fireplace or a masonry chimney constructed in accordance with Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, NFPA 211, and applicable codes such as International Residential Code (IRC), International Mechanical Code (IMC) and Uniform Mechanical Code (UMC).
1.2 Masonry fireplace adapters covered by these requirements comply with either a 1700°F (927°C) flue-gas temperature test or a 2100°F (1149°C) flue-gas temperature test, at the manufacturer’s option.
1.3 Masonry fireplace adapters intended for residential installations shall comply with section 9.2 of this outline of investigation and the Enclosed Chimney Installations Temperature Tests of the Standard for Factory-Built Chimneys for Residential Type and Building Heating Appliances, UL 103.
1.4 Masonry fireplace adapters evaluated to these requirements are not intended for use with factory-built fireplaces.
1.5 Fireplace adapters intended for use with factory-built are to be evaluated according to the requirements of the Standard for Factory-Built Fireplaces, UL 127.
1.6 Masonry fireplace adapters covered by these requirements may be provided with an integral nonregulating fireplace damper.
1.7 Chimneys and chimney systems intended for use with masonry fireplace adapters covered by these requirements are evaluated according to the Standard for Factory-Built Chimneys for Residential Type and Building Heating Appliances, UL 103.
1.8 These requirements do not cover seismic or structural securement of the fireplace adapter and chimney assembly to the masonry fireplace. Refer to applicable codes for these requirements.