Chimney Systems - Osburn 2200 Owner's Manual

1.5.3.2

Chimney Systems

The minimum chimney size is 6" (152 mm) in diameter. The minimum overall height of the
chimney system, measured from the base of the appliance is 12' (3.66m). Existing masonry and
metal chimneys should be inspected to check for deterioration and to determine if they meet the
minimum installation requirements; they should be upgraded if necessary. In Canada, masonry
chimneys must have or use a ULC S635 listed Class III liner in chimney systems that are not ULC
S629 listed. Similarly in the USA a UL 1777 listed refractory or metallic liner must be used. At
the point of penetration through the roof to the outside of the building envelope, the chimney must
extend at least 3' (914 mm) above the roof and at least 2' (610 mm) above the highest point within
an area of 10' (3 m) of the chimney (see Figure 1.3).
Follow CSA Standard B365-M91 for methods and precautions to be employed when connecting
the stove to a masonry chimney, and for installing thimbles (wall penetration assemblies) when the
connection from the stove to the masonry chimney is made through a combustible wall.
When connecting to a factory built chimney, ensure that it is installed according to the
manufacturer's listed instructions. If using an existing chimney, inspect and clean the chimney if
required (this should be done by a licensed chimney sweep or a qualified professional).
Figure 1.3 – Chimney height
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