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VENTING
WARNING:
TREATMENT OF FIRESTOPS AND CONSTRUCTION OF THE
CHASE MAY VARY FROM BUILDING TYPE TO BUILDING
TYPE. THESE INSTRUCTIONS ARE NOT SUBSTITUTES FOR
THE REQUIREMENTS OF LOCAL BUILDING CODES. YOU
MUST FOLLOW ALL LOCAL BUILDING CODES.
WARNING:
HORIZONTAL SECTIONS OF THIS VENT SYSTEM REQUIRE
A MINIMUM CLEARANCE OF 2" FROM THE TOP OF THE
PIPE AND 1" MINIMUM TO THE SIDES AND BOTTOM.
VERTICAL SECTIONS OF THIS SYSTEM REQUIRE A
MINIMUM
OF
1"
CLEARANCE
MATERIALS ON ALL SIDES OF THE PIPE. ONLY A 1"
CLEARANCE IS REQUIRED WHERE THE VENT PASSES
THROUGH THE NEAREST VERTICAL WALL.
INSTALLATION PRECAUTIONS
Consult local building codes before beginning the
installation. The installer must make sure to select the proper
vent system for installation. Before installing vent kit, the
installer must read this stove manual and vent kit instructions.
Only a qualified installer/service person should install
venting system. The installer must follow these safety rules:
• Wear gloves and safety glasses for protection.
• Use extreme caution when using ladders or when on
rooftops.
• Be aware of electrical wiring locations in walls and
ceilings.
The following actions will void the warranty on your venting
system:
• Installation of any damaged venting component.
• Unauthorized modification of the venting system.
• Installation of any component part not manufactured or
approved by USSC.
• Installation other than permitted by these instructions.
INSTALLATION PLANNING
There are two basic types of direct-vent installation:
• Horizontal Termination
• Vertical Termination
It is important to select the proper length of vent pipe for the
type of termination you choose. It is also important to note
the wall thickness.
FOR HORIZONTAL TERMINATION
Select the amount of vertical rise desired. The horizontal run
of venting must have 1/4" rise for every 12" of run towards
the termination. You may use up to three 90° elbows in
this vent configuration. Refer to Horizontal Termination
Configurations
FOR VERTICAL TERMINATION
Measure the distance from the stove flue outlet to the ceiling.
Add the ceiling thickness, the vertical rise in an attic or
second story, and allow for sufficient vent height above the
roof line. You may use one or two 90° elbows in this vent
configuration. Refer to Vertical Termination Configurations.
NOTE: You may use two 45° elbows in place of a 90° elbow.
TO
COMBUSTIBLE
You must follow rise to run ratios when using 45° elbows.
The appliance is approved for use with three 90° elbows
maximum or a combination of 90° and 45° elbows up to
a maximum of 270°. For two-story applications, firestops
are required at each floor level. If an offset is needed in the
attic, additional pipe and elbows will be required. You may
use a chase with a vent termination with exposed pipe on
the exterior of the house. Refer to Installing Vent System in
a Chase below. It is very important that the venting system
maintain its balance between the combustion air intake
and the flue gas exhaust. Certain limitations apply to vent
configurations and must be strictly followed.
INSTALLING A VENT SYSTEM IN AN OUTSIDE
CHASE
A chase is a vertical boxlike structure built to enclose
venting that runs along the outside of a building. A chase is
required for such venting.
NEVER RUN THE VENT PIPE LEVEL OR DOWNWARD. THIS
MAY CAUSE EXCESSIVE TEMPERATURES WHICH COULD
NOTE: When installing in a chase, you should insulate the
chase as you would the outside walls of your home. This is
especially important in cold climates. Minimum clearance
between vent pipes and combustible materials such as
insulation is 1".
15
WARNING:
CAUSE A FIRE.
© 2021 Breckwell Hearth
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