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11
GENERAL VENTING
WARNING
Pellet vent must maintain a minimum 3"
clearance to any combustible. (Install
vent at clearances specified by the vent
manufacturer.
Do not connect pellet vent to a vent or
chimney serving any other appliance.
Do not install a flue damper in the
exhaust venting system of the unit.
1) Type of Vent
Must be an approved 3" or 4" diameter type "L" or
"PL" vent, vented to the outside or connect the
vent to a factory built type "A" chimney using an
adaptor; and/or stainless steel shimney liner for
masonry fireplace installations. Use 4" diameter
vent if vent or liner height exceeds 15' or if
installation is over 4,000' above sea level.
2) Installing the Pellet Vent
The vent must have a support bracket every 5'
when on the exterior wall. To acheive optimum
performance, keep vent runs as short as possible,
especially on horizontal installations.
MAXIMUM VENTING: Maximum venting distances are: 33'
vertical, and 10' horizontal. Use no more than 180° of elbows
(two 90° elbows, or two 45° elbows and one 90° elbow,
etc...) excluding the Tee and Termination cap.
VENT INSTALLATION: Termination must exhaust above
the air inlet, and parallel or above the exhaust output of the
pellet stove. It is recommended that at least 3' of vertical
pipe be installed to created some natural draft. This is to
help prevent the possibility of smoke or odor entering the
home during appliance shut down or in the event of a power
outage. Horizontal secitons must have a 1/4" rise every 12"
of travel longer than 3'.
The pellet vent connections must be sealed with Hi-Temp
RTV silicone and screwed together with at least 3 3/8"
stainless steel screws. Seal each vent section by injecting a
liberal amount of 500°F (260°C) RTV silicone sealant into
the gap. We recommend sealing the outside connections to
permit easier access when servicing.
3) Venting the Pellet Stove
Use an approved wall thimble when passing the vent through walls and a ceiling support/fire stop
spacer when passing vent through ceilings. (Maintain a 3" clearance to any combustible.
4) Pellet Vent Termination
The vent termination must have an approved cap (to prevent water from entering) or a 45°
downturn. If the termination is located on a windy side of the house (windward), a shield is
recommended to prevent soot from building up on the side of the house.
Horizontal terminations must protrude 12" from the wall, vertical terminations require a minimum 24"
above the highest point that it penetrates through the roof.
Depending on pellet quality, vent configuration, and air settings, soot buildup may occur on terminal
wall.
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