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January 3, 2007
Page 13Quadra-Fire · Topaz · 7009-113E
Figure 5.5
When installing the Sapphire in a rear vent configuration with
no vertical rise: a Snorkel Kit must be used, and a derating
orifice must be installed. The appropriate orifice is supplied
with the Rear Vent Kit.
45° Elbow in Corner Installation
CENTER
LINE
WALL
THIMBLE
CENTER
LINE
CENTER OF
HOLE
CENTER
LINE
CENTER
LINE
CENTER OF
HOLE
WALL
THIMBLE
Top Vent
Rear Vent
14 in. (356mm) Pipe Length
Wall Thimble
45°
Elbow
Max. Wall Depth
10 in. (254mm)
1 in. (25mm) clearance
from appliance corner
to combustible wall
1 in. (25mm) clearance from appliance
corner to combustible wall
NOTE:
(1) Installation requires a minimum of 6 in. (152mm)
horizontal run of vent with a 1/4 in. (6mm) rise run towards
the termination. Each 1 ft. (305mm) of horizontal venting
must include a 1/4 in. (6mm) rise. Never allow the vent
to run downward. This could cause high temperatures
and may present the possibility of a house or structure
fire.
(2) The location of the horizontal vent termination on an
exterior wall must meet all local and national building
codes, and must not be easily blocked or obstructed,
see Figure 4.4 on page 9.
(3) For installations requiring a vertical rise on the exterior
of the building, the HHT RHVK snorkel kit (Part #844-
8921) is available with a 14 in. (356mm) and a 36 in.
(914mm) tall snorkel termination cap. Follow the
same installation procedures as used for standard
horizontal terminations. If the snorkel termination must
be installed below grade (i.e. basement application),
proper drainage must be provided to prevent water from
entering the snorkel termination. Do not backfill around
snorkel termination.
WOOD
SCREW
WALL THIMBLE
PART HHW2 PART
841-0670 (Preferred)
Step 4.
Position the horizontal termination cap in the center of the 10
in. x 10 in. (254mm x 254mm) square hole and run a bead
of non-hardening mastic around its outside edges, so as to
make a seal between it and the wall, attach termination cap
to the exterior wall with the four wood screws provided. The
arrow on the vent cap should be pointing up (Figure 5.6).
Figure 5.6
NOTES:
(1) The four wood screws provided should be replaced
with appropriate fasteners for stucco, brick, concrete,
or other types of sidings.
(2) Termination cap HHW2 (Part #841-0670) is highly
recommended on a building with vinyl siding, as the
vinyl siding standoff is built in. The pilot hole will be 2 in.
(51mm) closer to the bottom of the square than the top.
Using a framing square, draw a 14 in. x 14 in. (356mm
x 356mm) square around the pilot hole in the siding.
See Figure 5.7 on the next page.
Step 3.
For installations using a round support box/wall thimble
(check pipe manufacturer's instructions), mark the wall for a
10 in. x 10 in. (254mm x 254mm) square hole. The center
of the square hole should line up with the center line of the
horizontal pipe, as shown in Figure 5.5. Cut and frame the
hole in the exterior wall where the vent will be terminated. If
the wall being penetrated is constructed of noncombustible
material, i.e. masonry block or concrete, a 7 in. (178mm)
diameter hole is acceptable.