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Irving Oil
10004000
If the foundation is recessed, use recess brackets (not
supplied) for securing lower portion of the snorkel.
Fasten brackets to wall first, then secure to snorkel
with self drilling #8 x 1/2 sheet metal screws. It will be
necessary to extend vent pipes out as far as protruding
wall face (Fig. 25).
This Gas Fireplace has been approved for,
• Vertical installations up to 40’ (12m) in height. Up
to a 10’ horizontal vent run can be installed within
the vent system using a maximum of two 90°
elbows (Fig. 26).
• Up to two 45° elbows may be used within the
horizontal run. For each 45° elbow used on the
horizontal level the maximum horizontal length
must be reduced by 18”.
Example: Maximum horizontal length
0x 45° elbows = 10’
1x 45° elbows = 8.5’
2x 45° elbows = 7’
• A minimum of an 8’ vertical rise.
• Two sets of 45° elbows offsets within these vertical
If installing a snorkel a minimum 24” vertical rise is
necessary. The maximum horizontal run with the 24”
vertical pipe is 36” (915 mm). This measurement is
taken from the collar of the fireplace to the face of the
exterior wall. See the Vent Chart on page 11 for
extended horizontal run if the vertical rise exceeds 24”.
1. Establish vent hole through the wall (Fig. 17).
2. Remove soil to a depth of approximately 16"
(406mm) below base of snorkel. Install drain pipe.
Install window well (not supplied). Refill hole with
12" (305mm) of coarse gravel leaving a clearance
of approximately 4" (100mm) below snorkel (Fig.
24).
3. Install vent system.
4. Ensure a watertight seal is made around the vent
pipe coming through the wall.
5. Apply high temperature sealant caulking (supplied)
around the 4” and 7 “ snorkel collars.
6. Slide the snorkel into the vent pipes and secure to
the wall.
7. Level the soil to maintain a 4" (100mm) clearance
below snorkel (Fig. 24).
VERTICAL THROUGH-THE-ROOF
APPLICATIONS
Do not back fill around snorkel. A
clearance of at least 4” must be main-
tained between snorkel and the soil.
Fig. 24
GRAVEL
DRAIN
FIRESTOP
FOUNDATION WALL
WINDOW WELL
SNORKEL
GROUND
24"/608mm
MINIMUM*
A minimum of 24"/608mm
vertical pipe must be installed
when using the snorkel kit.
The 22" vertical rise (center to
center) of the snorkel may be
included for calculation of max.
horizontal run.
*
7" PIPE
SCREWS
4" CLEARANCE
*
Fig. 25
FOUNDATION
RECESS
SNORKEL
SCREWS
WALL
SCREWS
SHEET METAL
WATERTIGHT
SEAL
AROUND
PIPE
Fig. 26
MAXIMUM
10 FT
(305cm)
PIPE STRAPS
EVERY 3’
(92cm)
MINIMUM
7.5 FT./
MAXIMUM
40 FT.
VERTICAL
RISE