Solid Fuel Fireplace Inserts and Hearth-Mounted Stoves for Installation into Masonry Fireplaces

Note: The scope of this Notice of Intent (originally published on 15 March 2022) was updated by the responsible SDO on 3 July 2024.

Note: The title and scope for this NOI (originally published on March 15, 2022) were updated by the responsible SDO on February 27, 2024.

1 SCOPE
1.1 These requirements cover solid-fuel burning fireplace inserts or hearth-mounted stoves intended to be vented through the throat or damper area of a masonry fireplace and masonry or factory-built chimney system. The appliances may be installed into new masonry fireplaces, or masonry fireplaces that have been operated for some time, i.e., in these cases the fireplace insert or hearth-mounted stove installations are retrofits.

1.1.1 Requirements for masonry fireplaces equipped with factory-built chimneys are provided in Annex A

1.2 The requirements include testing with a continuous chimney liner from the appliance collar to the point of termination.

1.3 This standard addresses fireplace inserts or hearth-mounted stoves that may also incorporate catalytic combustors and/or secondary combustion systems.

1.4 Fireplace inserts or hearth-mounted stoves as covered by this standard are intended for installation in masonry fireplaces that comply with the requirements of applicable regulatory Codes.

1.5 Fireplace inserts and hearth-mounted stoves as covered by this standard are not intended for installation into factory-built fireplaces within the scope of:

a) In Canada, CAN/ULC-S610;

b) In the United States, UL 127

nor in steel liner assemblies within the scope of:

c) In Canada, CAN/ULC-S639;

d) In the United States, UL 907;

nor in artificial fireplaces, or similar appliances (e.g., a tubular grate).

1.6 This Standard does not cover free-standing solid-fuel space heaters. Refer to:

a) In Canada, CAN/ULC-S627, Standard for Space Heaters for Use with Solid Fuels;

b) In the United States, UL 1482, Standard for Solid-Fuel Type Room Heaters

for the applicable requirements.

1.7 The appliances covered by this Standard are intended for installation and use in accordance with the applicable Codes and Regulations as determined by the Authority Having Jurisdiction (AHJ), such as:

a) In Canada:

1) The National Building Code of Canada; or

2) CSA B365 Series, Installation code for solid-fuel-burning appliances and equipment;

b) In the United States:

1) The series of International Building Codes;

2) The Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, NFPA 211; or

3) Uniform Mechanical Code (IAPMO).

1.8 The requirements of this standard do not apply to appliances intended for installation into transportable buildings that are not designed to include a masonry fireplace.

1.9 This standard does not apply to the installation of fireplace inserts or hearth-mounted stoves into steel form fireplace units or steel firebox liners.

1.10 This standard does not apply to modular masonry fireplace systems.