Chimney Requirements - Heatilator ODYSSEY ODY42 Installation & Operating Instructions Manual

4. Sidewalls/Surrounds
Adjacent combustible side walls must be located a minimum of 12” from the fireplace opening. See Figure 7. If you are
using a decorative surround constructed of combustible material, it must be located within the shaded area defined in
Figure 7. Short stub walls are also acceptable if they are contained within the shaded area. You must maintain adequate
clearances for servicing and proper operation.
5. Mantel
A combustible mantel may be positioned no lower than 12” above the top of the fireplace opening. The combustible mantel
may have a maximum depth of 12”. Combustible trim pieces that project no more than 1-1/2” from the face of the fireplace
can be placed no closer than 6” from the top of the fireplace opening. However, they must not cover the black metal front of
the fireplace. This mantel clearance is an accordance with
can also be located in the shaded areas shown in Figure 7.
When planning your fireplace location, the chimney construction and necessary clearances must be considered. The fireplace
system and chimney components have been tested to provide the following flexibility in construction. The following figures are
the minimum distances from the base of the fireplace.
1. Using Offsets and Returns
To bypass any overhead obstructions, the chimney may be offset using a 15° offset/return (SL315) or a 30° offset/
return (SL330). Perform the following steps to determine the correct chimney component combination for your particular
installation.
An offset and return may be attached together or a chimney section(s) may be used between an offset and return.
However, the distance between two elbows must never exceed 12 feet in total length.
Measure how far the chimney needs to be shifted to enable it to avoid the overhead obstacle. See Figure 8,
dimension “A”.
After determining the offset dimension, refer to Table 1 (page 13) and find the “A” dimension closest to
12
E. CHIMNEY REQUIREMENTS
Minimum overall straight height
Minimum height with offset/return
Maximum height
Maximum chimney length between an offset and return
Maximum distance between chimney stabilizers
Double offset/return minimum height
Maximum unsupported chimney length between the offset and return
Maximum straight unsupported chimney height above the fireplace
the distance of shift needed for your installation.
ODYSSEY SERIES FIREPLACE WITH GAS LOG SET
31818 Rev J
. Combustible trim pieces
16.5 ft.
16.5 ft.
90 ft.
20 ft.
35 ft.
20 ft.
6 ft.
35 ft.
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