Installing Solid Fuel Inserts in Factory Built Fireplaces
APPENDIX J
WARNINGS
Appendix J-1
1998-2006 Edition
1.The insert must be tested and meet the requirements of UL 1482
(U.S.) and or ULC S628 (Canada) when tested in a masonry fireplace built per ULC S628.
2.The factory-built fireplace must be listed per UL 127 or ULC S610.
3. Clearances obtained from the masonry fireplace tests are also relevant for installation in factory built
fireplaces.
4. Installation must include a full height listed chimney liner meeting type HT requirements (2100 degree
F.) per UL 1777 (U.S.) or ULC S635 (Canada).The liner must be securely attached to the insert flue collar
and the chimney top.
5. Means must be provided to prevent room air passage to the chimney cavity of the fireplace, this may be
accomplished by sealing the damper area around the chimney liner, or sealing the fireplace front.
6.The air flow within and around the fireplace shall not be altered by the installation of the insert (ie. No
louvers or cooling air or outlet ports are blocked), unless specifically tested as such for each factory-built
fireplace manufacturer and model line. (Note: using a louvered faceplate [surround] complies with this
requirement).
7. Alteration of the fireplace in any manner is not permitted with the following exceptions:
a) External trim pieces which do not affect the operation of the fireplace may be removed providing they
can be stored on or within the fireplace for reassembly if the insert is removed.
b) The chimney damper may be removed to install the chimney liner.
8. Circulating air chambers (ie. In a steel fireplace liner or metal heat circulator) shall not be blocked.
9. Means must be provided for removal of the insert to clean the chimney flue.
10. Inserts that project in front of the fireplace must be supplied with appropriate supporting.
11. A permanent metal warning label must be attached to the back of the fireplace stating that the
fireplace must be restored to its original condition for safe use without the insert.
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