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5.1.6 Firebricks
Before installing the firebrick, ensure that none are broken or damaged in any way, and replace
the damaged ones. Check the firebrick for damage at least annually and replace any broken or
damaged ones with new ones.
5.2 Chimney Maintenance
5.2.1 Why Cleaning the Chimney Is Necessary
Wood smoke can condense inside the chimney, forming an inflammable deposit called creosote.
If creosote is allowed to build up in the venting system, it can ignite when a hot fire is burned in
the stove and a very hot fire can progress to the top of the chimney. Severe chimney fires can
damage even the best chimneys. Smouldering, smoky fires can quickly cause a thick layer of
creosote to form. When the stove is operated properly, the exhaust from the chimney is mostly
clear and creosote builds up more slowly.
5.2.2 How Often Should the Chimney Be Cleaned?
It is not possible to predict how much or how quickly creosote will form in the chimney. It is
important, therefore, to check the build-up in the chimney monthly until the rate of creosote
formation is determined. Even if creosote forms slowly in the system, the chimney should be
cleaned and inspected at least once each year.
Contact the local municipal or provincial fire authority for information on how to handle a chimney
fire. Have a clearly understood plan to handle a chimney fire.
5.2.3 Sweeping the Chimney
Chimney sweeping can be a difficult and dangerous job.
People with no chimney sweeping experience will often
prefer to hire a professional chimney sweep to inspect
and clean the system for the first time. After seeing the
cleaning process, some will choose to do it themselves.
The most common equipment used are fibreglass rods
with threaded fittings and stiff plastic brushes. The brush
is forced up and down inside the chimney flue to scrub
off the creosote.
The chimney should be checked regularly for creosote
build-up. Inspection and cleaning of the chimney can
be facilitated by removing the baffle. See
«Appendix 5.
Air Tubes and Baffle Installation»
for more details.
THE OPERATION OF THIS STOVE WITHOUT THE BAFFLE MAY CAUSE UNSAFE AND
HAZARDOUS TEMPERATURE CONDITIONS AND WILL VOID THE WARRANTY.
Installation and Operation Manual - Harmony 2.3
Page 25
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