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Page 13
Fig. 18 - Chimney Connection to Firebox
Through Masonry Wall
CHIMNEY CONNECTIONS continued …
continued on next page
VENTING TO EXISTING FIREPLACE
In some instances, people desire to convert an
existing fireplace for stove use. Usually, safe connec-
tion to an existing masonry chimney requires more
work than using a prefabricated chimney. The existing
fireplace must be closed and sealed at the damper with
high-temperature caulk, ceramic wool, or furnace ce-
ment. Prior to installation, clean and inspect the existing
flue and smoke shelf. Installation should be designed
so the system can be dismantled for periodic cleaning
and inspection.
Before conversion, make sure the
existing chimney is structurally sound, the chimney
incorporates a flue liner and make sure it is in good
condition. (A flue liner consists of clay tile that protects
the brickwork of a chimney. If a chimney does not have a
liner, or it is damaged, have it relined by a professional.
Do Not use a chimney that is unlined or damaged!)
If you have any question regarding the condition of the
chimney, consult a qualified licensed contractor, qualified
engineer, competent mason, certified Chimney Sweep,
or a knowledgeable inspector. Consult your insurance
company if you cannot find a qualified expert.
CAUTION: NOT ALL FIREPLACES ARE SUIT-
ABLE FOR CONVERSION TO ACCOMMODATE
A WOOD STOVE. CHECK WITH A QUALIFIED
EXPERT.
Many prefabricated fireplaces are of the “zero-
clearance fireplace” category. These consist of multi
layered metal construction. They are designed with
enough insulation and/or air cooling on the base, back
and sides so they can be safely installed in direct con-
tact with combustible floors and walls. Although many
prefabricated fireplaces carry endorsements from na-
tionally recognized organizations for use as fireplaces,
they have not been tested for connection to wood stove
heaters. Connecting a stove to such a device will void
the manufacturer’s warranty.
Venting a stove directly into a fireplace does not
meet code and should not be attempted. The stove war-
ranty will be void with such an installation. Do not create
a hazard in your home by connecting in this manner.
Fig. 19 - Fireplace Conversion
FIREPLACE INSTALLATION
NOTE: DO NOT ATTEMPT TO ROUTE THE
CHIMNEY CONNECTOR PIPE THROUGH THE
THROAT OF THE FIREPLACE.
Directly connecting the stovepipe into the existing
masonry chimney (figure 15 “Type A” Fireplace Conver-
sion) of the fireplace is the only approved method of
installation. This is a complicated and involved process
and to insure safety should only by done by a qualified
installer.
1. An entry hole must be cut through the masonry
and tile liner with minimal damage to the liner. At
