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Hampton® H15-10 Direct Vent Freestanding Gas Stove
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installation
Offset Chart
Diagram 12
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 is required at the
second floor, and any subsequent floor.
Diagram 12. The opening should be
framed to 10 " x 10" inside dimensions,
in the same manner as shown in diagram
9.
b)
Any occupied areas above the first floor,
including closets and storage spaces,
through which the vertical vent passes,
must be enclosed.
Diagram 11
Diagram 8
3)
To install the Round Support Box/Wall Thim-
ble in a flat ceiling, cut a 10 inch square hole
in the ceiling centred on the hole drilled in
Step 2. Frame the hole as shown in diagram
9.
Note: For best results and optimum perfor
-
mance with each approved venting sys
-
tem, it is highly recommended to apply
“Mill-Pac” sealant (supplied) to every
inner pipe connection. Failure to do so
may result in drafting or performance
issues not covered under warranty.
4)
Assemble the desired lengths of black pipe
and elbows necessary to reach from the
appliance adapter up though the Round
Support Box. Insure that all pipes and elbow
connections are in the fully twist-locked
position and sealed.
Diagram 10: 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.
Note: If an offset is necessary in the attic
to avoid obstructions, it is important
to support the vent pipe every 3 feet,
to avoid excessive stress on the
elbows, and possible separation.
Wall straps are available for this
purpose. See diagram 5.
Galvanized pipe and elbows may be utilized
in the attic as well as above the roofline.
The galvanized finish is desirable above
the roofline due to its higher corrosion
resistance.
Continue to add pipe sections through the
flashing until the height of the vent cap
meets the minimum height requirements
specified in diagram 11 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.
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 overlap half the flashing) as
per diagram 10.
6)
Continue to assemble pipe lengths.
Diagram 9
Roof Pitch
Minimum Vent Height
Feet
Meters
flat to 7/12
2
0.61
over 7/12 to 8/12
2
0.61
over 8/12 to 9/12
2
0.61
over 9/12 to 10/12
2.5
0.76
over 10/12 to 11/12
3.25
0.99
over 11/12 to 12/12
4
1.22
over 12/12 to 14/12
5
1.52
over 14/12 to 16/12
6
1.83
over 16/12 to 18/12
7
2.13
over 18/12 to 20/12
7.5
2.29
over 20/12 to 21/12
8
2.44
Содержание H15-NG10
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