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DO NOT BACK FILL AROUND SNORKEL.
A CLEARANCE OF AT LEAST 4" MUST BE
MAINTAINED BETWEEN THE SNORKEL AND
THE SOIL
ZERO CLEARANCE
SLEEVE IF REQUIRED
FIRESTOP
7" PIPE
24"/608mm
MINIMUM*
If the foundation is recessed, use recess brackets (not supplied)
for securing lower portion of the snorkel. Fasten brackets to
wall rst and then secure to snorkel with self-drilling #8 x 1/2
sheet metal screws. It will be necessary to extend the vent
pipes out as far as the protruding wall face (Fig. 31).
FOUNDATION
RECESS
Watertight
seal around
the vent pipe
10002555/0
7DVSKS (SNORKEL)
MINIMUM
SCREWS
4" CLEARANCE
GROUND
WINDOW WELL
GRAVEL
DRAIN
FOUNDATION WALL
*
A minimum of 24"/608mm
vertical pipe must be installed when
using the 7DVSKS/7TDVSKS kit.
The 22" vertical rise (center to
*
center) of the snorkel may be
included for calculation of max.
horizontal run.
Fig. 30
SNORKEL
WALL
SCREWS
SHEET METAL
SCREWS
Fig. 31
V
ERTICAL
A
This Gas Fireplace has been approved for,
•
Vertical installations up to 40' (12 m) in height. Up to
a 10' horizontal vent run can be installed within the vent
system using a maximum of two 90º elbows. (Fig. 32)
Min. Height
7.5 ft (2.3 m)
Max. Height
40 ft (12 m)
•
Up to two 45º elbows may be used within the horizontal
run. For each 45º elbow used on the horizontal level the
maximum horizontal length must be reduced by 18".
Example: Maximum horizontal length
0 x
1 x
2 x
•
A minimum of an 8' vertical rise.
•
Two sets of 45º elbow offsets within these vertical instal-
lations. From 0 to a maximum of 8' of vent pipe can be
used between elbows. (Fig. 33)
-17-
Vermont Castings, Majestic Products.
T
-T
-R
HROUGH
HE
.
PPLICATIONS
Max. 10 ft
(3 m)
PIPE STRAPS
EVERY 3' (920 mm)
45º elbows
= 10'
45º elbow
= 8.5'
45º elbows
= 7'
33/36/39/43 BDVT
OOF
Fig. 32
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