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11
Installation
10. Install a vertical pipe, or if all requirements for direct venting are met, install vent termination. The
stainless steel cap termination manufactured by the vent manufacturer is recommended. However,
when the vent terminates several feet above ground level and there are no trees, plants, etc. within
several feet, a 45° elbow can be used as termination. The elbow must be turned down to prevent
rain from entering.
NOTE:
• Some horizontal through wall installations may require a “T” and 3 to 5 feet (91 to 152 cm) of vertical
pipe outside the building to help naturally draft in the unit.
• This may be required if a proper burn cannot be maintained, after the stove has been tested and the
airflow set.
• This is due to the back pressure in the exhaust caused by airflow around the structure.
• All sections of pipe must have three (3) screws evenly spaced and all horizontal and vertical vent
sections located within the house must have a bead of high temperature silicone installed on the male
end of the pipe before installation to create a gas tight seal.
THROUGH WALL WITH VERTICAL RISE AND HORIZONTAL TERMINATION INSTALLATION - FREESTANDING:
A 45° elbow with a rodent screen may be used in place of the termination cap (or stainless steel
termination hood).
Figure 10 is the recommended installation set up.
Figure 11 is the installation to use if there is a concrete or retaining wall in line with exhaust vent on
a pellet stove. The termination must be 12” (30 cm) from the outside wall and 12” (30 cm) above the
ground.
Wall framing
Wall thimble
Termination cap
Vertical section
of vent pipe
Horizontal frame
for thimble
Clean out tee
90° elbow
Concrete Wall
Wall framing
Wall thimble
Termination cap
Vertical section of vent pipe
Horizontal frame for thimble
Clean out tee
90° elbow
Wall strap
Figure 10: Venting horizontally with rise. Figure 11: Venting with concrete wall behind unit .