Installation Guide
© 2021 United States Stove Company
15
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
THE SIDES AND BOTTOM. VERTICAL SECTIONS
CLEARANCE TO COMBUSTIBLE MATERIALS
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.
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 modication 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 conguration. Refer
to Horizontal Termination Congurations
FOR VERTICAL TERMINATION
Measure the distance from the stove ue outlet to
the ceiling. Add the ceiling thickness, the vertical rise
in an attic or second story, and allow for sufcient
vent height above the roof line. You may use one
or two 90° elbows in this vent conguration. Refer
to Vertical Termination Congurations. NOTE: You
may use two 45° elbows in place of a 90° elbow.
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, restops are required at each oor
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 ue gas exhaust.
Certain limitations apply to vent congurations 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.
WARNING:
NEVER RUN THE VENT PIPE LEVEL OR
DOWNWARD. THIS MAY CAUSE EXCESSIVE
TEMPERATURES WHICH COULD CAUSE A FIRE.