When Outside Air Supply Is Not Used; Venting - Bosca SPIRIT 500 Installation And Operating Instructions Manual

OWNER´S MANUAL
Cut a minimun 2"
diameter hole in
the wall
For Mobile home installations only: 2" inside diameter pipe may be used for first 5 feet of
combustion air supply run. From 5 to 10 feet use 2 3/4" inside diameter pipe. No combustion
air supply may exceed 10 feet.
SOURCES OF OUTSIDE COMBUSTION AIR
In Fireplaces
- Chimney top.
- Ash clean out door.
For freestanding installations
- A hole in floor near stove rear terminating only in a
ventilated crawl space.
- A hole in the wall behind the stove.
WHEN OUTSIDE AIR IS NOT USED
If outside air is not used, it is important that combustion air is easily available to the air inlet. A
closeable outside air register can be used in tightly insulated homes.

VENTING

The Bosca SPIRIT 500 Pellet stove is certified for use with listed TYPE L-Vent, 3" or 4" diameter
in size. The stove was tested with Simpson Duravent brand. Class "A" chimney is not required.
Refer to the instructions provided by the vent manufacturer, especially when passing through
a wall, ceiling or roof.
Select a location between
framing membres for the
outside air hole
Walt
Cover
Plate
Seal the area around
the tube to prevent air
from entering the
wall
Seal the
vent with
silicone
2" Flex Duct
Non Combustible
Rain
Hood with
Rodent
Screen
fig. Nº5
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