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8
© 2021 United States Stove Company
a minimum thickness of 0.021” or 0.53 mm. It is strictly
forbidden to use galvanized steel. The smoke pipe should
be assembled to promote the male section (crimped
end) of the pipe to be faced down. Attach each section to
another with three metal screws spaced an equal distance
apart. The pipe must be short and straight. All sections
installed horizontally must slope at least 1/4 inch per foot,
with the upper end of the section toward the chimney. Any
installation with a horizontal run of chimney pipe must
conform to NFPA 211. To ensure a good draft, the total
length of the coupling pipe should never exceed 8’ to 10’
(2.4m to 3.04m). Except for cases of vertical installation,
in a cathedral-roof style where the smoke exhaust system
can be much longer and connected without problem to the
chimney at the ceiling of the room. There should never be
more than two 90 degrees elbows in the smoke exhaust
system. The installation of a “barometric draft stabilizer”
(replace register) on a smoke exhaust system is
prohibited. Furthermore, the installation of a draft damper
is not recommended. With a controlled combustion wood
stove, the draft is regulated upon intake of the combustion
air in the stove and not at the exhaust.
3 screws
Flow
Direction
of Flue
Gases
Install
crimped
end
towards
stove.
Male Part Downwards
1/4” slope per foot
IMPORTANCE OF PROPER DRAFT
Draft is a force that moves air from the appliance up
through the chimney. The amount of draft in your chimney
depends on the length of the chimney, local geography,
nearby obstructions and other factors. Too much draft
may cause excessive temperatures in the appliance. An
inadequate draft may cause back-pung into the room
and “plugging” of the chimney. An inadequate draft will
cause the appliance to leak smoke into the room through
appliance and chimney connector joints. An uncontrollable
burn or excessive temperature indicates an excessive
draft.
CHIMNEY
Your wood stove may be hooked up with a 6” factory-
built or masonry chimney. If you are using a factory-built
chimney, it must comply with UL 103 or CSA-B365 standard;
therefore it must be a Type HT (2100°F). It must be installed
according to the manufacturer’s specications. Take into
account the chimney’s location to ensure it is not too close
to neighbors or in a valley which may cause unhealthy or
nuisance conditions. If you are using a masonry chimney,
it must be built in compliance with the specications
of the National Building Code. It must be lined with re
clay bricks, metal or clay tiles sealed together with re
cement. Round ues are the most ecient. The interior
diameter of the chimney ue must be identical to the stove
smoke exhaust. A ue which is too small may cause draft
problems, while a large ue favors rapid cooling of the gas,
and hence the build-up of creosote and the risk of chimney
res. Note that it is the chimney and not the stove which
creates the draft effect; your stove’s performance is directly
dependent on an adequate draft from your chimney. Do
not connect this unit to a chimney ue serving another
appliance. The following recommendations may be useful
for the installation of your chimney:
1. It must rise above the roof at least 3’ (0.9m) from the
uppermost point of contact.
2. The chimney must exceed any part of the building or
other obstruction within a 10’ (3.04m) distance by a
height of 2’ (0.6m).
3. The installation of an interior chimney is always
preferable to an exterior chimney. Indeed, the interior
chimney will, by denition, be hotter than an exterior
chimney, being heated up by the ambient air in the
house. Therefore the gas which circulates will cool
more slowly, thus reducing the build-up of creosote
and the risk of chimney res.
4. The draft caused by the tendency for hot air to rise will
be increased with an interior chimney.
5. Using a re screen at the extremity of the chimney
requires regular inspection to ensure that it is not
obstructed thus blocking the draft, and it should be
cleaned when used regularly.
INSTALLATION
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