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VENTING INSTALLATION
Restrictor Adjustment Guidelines
Flame
Draft Problem
Appearance
Short,
Excessive draft or not
flickering
enough restriction
Lifting or
Insufficient draft
ghosting*
*If flames continue to lift or ghost after opening the
restrictor and verifying correct vent installation, shut off
the gas supply and call a qualified service technician.
INSTALLATION FOR HORIZONTAL TERMINATION
1. Determine the route your horizontal venting will take.
NOTE: The location of the horizontal vent termination
on the exterior wall must meet all local and national
building codes.
Snorkel terminations are available for terminations requiring
a vertical rise on the exterior of the building. The figures
follow the same installation procedures used for standard
horizontal terminations. If installing the snorkel termination
below grade (basement applications), you must provide
proper drainage to prevent water from entering the snorkel
termination. Do not back fill around the snorkel termination.
TO STOVE
Solution
Adjust restrictor
to close more
Adjust restrictor
to open more
Snorkel
12"
(305 mm)
Minimum
21
TO STOVE
2. Rigid vent pipes and fittings have special twist-lock
connections. Assemble the desired combination of pipe
and elbows to the appliance adaptor with pipe seams
oriented towards the wall or floor. Twist-lock Procedure:
The female ends of the pipes and fittings have three
locking lugs (indentations). These lugs will slide straight
into matching slots on the male end of adjacent pipes
and fittings. Push the pipe sections together and twist
one section clockwise approximately one-quarter turn
until the sections are fully locked. NOTE: Horizontal
runs of vent pipe must be supported every three (3) feet
(914 mm). Use wall straps for this purpose.
3. Attach vent pipe assembly to the stove. Set stove in front
of its permanent location to ensure minimum clearances.
Mark the wall for a 9-1/2" (241 mm) square hole
(for noncombustible material such as masonry block
or concrete, a 7-1/2" [190 mm] diameter hole is
acceptable). The center of the hole should line up with
the center line of the horizontal rigid vent pipe. Cut a
9-1/2" x 9-1/2" (241 x 241 mm) square hole through
combustible exterior wall (7-1/2" [190 mm] diameter
hole if noncombustible). Frame as necessary.
Snorkel
12"
(305 mm)
Minimum
Adequate
Drainage
Female
Locking
Lugs
Male
Slots
© 2021 Breckwell Hearth
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