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INSTALLATION
4) Assemble the desired lengths of black pipe
and elbows necessary to reach from the
appliance adaptor up though the Round
Support Box. Insure that all pipes and
elbow connections are in the fully twist-
locked position and sealed.
5) Cut a hole in the roof centred on the small
drilled hole placed in the roof in Step 2. The
hole should be of sufficient size to meet the
minimum requirements for clearance to
combustibles of 1-1/4". Slip the flashing
under the shingles (shingles should over-
lap half the flashing) as per diagram 11.
Diagram 11: The upper half of the flashing is
installed under the roofing material and not
nailed down until the chimney is installed.
This allows for small adjustments.
6) Continue to assemble pipe lengths.
Note: If an offset is necessary in the attic
to avoid obstructions, it is impor-
tant to support the vent pipe every
3 feet, to avoid excessive stress
on the elbows, and possible sep-
aration. Wall straps are available
for this purpose. See diagram 7.
Galvanized pipe and elbows may be uti-
lized in the attic as well as above the
roofline. The galvanized finish is desirable
above the roofline due to its higher corro-
sion resistance.
Continue to add pipe sections through the
flashing until the height of the vent cap
meets the minimum height requirements
specified in diagram 12 or local codes. Note
that for steep roof pitches, the vertical
height must be increased. A poor draft, or
down drafting can result from high wind
conditions near big trees or adjoining roof
lines, in these cases, increasing the vent
height may solve the problem.
Diagram 12
18
Roof Pitch
Minimum Vent Height
Feet
flat to 7/12
2
over 7/12 to 8/12
2
over 8/12 to 9/12
2
over 9/12 to 10/12
2.5
over 10/12 to 11/12
3.25
over 11/12 to 12/12
4
over 12/12 to 14/12
5
over 14/12 to 16/12
6
over 16/12 to 18/12
7
over 18/12 to 20/12
7.5
over 20/12 to 21/12
8
7) Ensure vent is vertical and secure the base
of the flashing to the roof with roofing rails,
slide storm collar over the pipe section and
seal with a mastic.
8) Install the vertical termination cap by twist
locking it.
Notes:
a) For multistorey vertical installations, a
Ceiling Fire stop (Part # 963) is required
at the second floor, and any subse-
quent floor. Diagram 13. The opening
should be framed to 10 " x 10" inside
dimensions, in the same manner as
shown in diagram 10.
Diagram 13
Regency U39 ULTIMATE Direct Vent Freestanding Gas Stove
Offset Chart
Meters
0.61
0.61
0.61
0.76
0.99
1.22
1.52
1.83
2.13
2.29
2.44
b) Any occupied areas above the first floor,
including closets and storage spaces,
through which the vertical vent passes,
must be enclosed.
CATHEDRAL CEILINGS
Round Support (RDS) &
Square Support (SQS)
If your home has a cathedral ceiling (no attic
space between the ceiling and the roof), install
the chimney and support as follows.
1) Situate the chimney in a convenient location
as near as possible to the appliance outlet.
Cut and frame a hole in the roof for the
support. The sides of this hole must be
vertical with 1 1/4" clearance.
2) Place the support in the opening. Lower it
to the correct height as determined by the
table and diagram below.
Slope
0/12 - 2/12
2/12 - 7/12
7/12 - 12/12
12/12 - 24/12
24/12+
"X"
4"
5-1/2"
6-3/4"
7-1/2"
12-1/2"
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