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HDV Series Direct Vent Gas Fireplace
56D3048
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/ sheet
metal screws. It
will be necessary
to extend vent
pipes out as far
as the protrud-
ing wall face.
Figure 28
FP1966
snorkel
Figure 28 -
Snorkel Installation, Recessed Foundation
Foundation
Recess
Watertight Seal
Around Pipe
Sheet Metal
Screws
Snorkel
Wall Screws
FP1966
Install restrictor disc as shown in Figure 30 for vertically
vented applications.
Up to three (3) restrictor discs may be needed for 40'
installation.
The two () restrictor discs suppled will work for most instal-
lations. If a third disc is needed order Part No. 56D307.
You may use a reducer to 4" x 6B\," in vertically vented
applications.
FP2467
HDV restrictor
Restrictor Disc
Stove Collar
FP467
Figure 29 -
Install Restrictor Disc into Stove Collar
This Gas Fireplace has been approved for,
• Vertical installations up to 40' (1 m) in height. Up to a
10' (3 m) horizontal vent run can be installed within the
vent system using a maximum of two 90° elbows. See
Figure 30
• Up to two 45° elbows may be used within the horizontal
run. For each 45° elbow used on the horizontal plane,
the maximum horizontal length must be reduced by 18"
(450 mm).
Example: Maximum horizontal length
No elbows = 10’ (3 m)
1 x 45° elbows = 8.5’ (.6 m)
x 45° elbows = 7’ (.1 m)
• A minimum of an 8' (.5 m) vertical rise is required.
• Two sets of 45°elbows offsets may be used within the
vertical sections. From 0 to a maximum of 8' (.5 m) of
vent pipe can be used between elbows. Figure 31
• Determine the roof pitch and use the appropriate starter
kit for offset installation.
FP1183
max height
10' Maximum
40'
Maximum
Height
8'
Minimum
Height
Support
Straps
Every 5'
Vertical
Support Straps Every 3'
10' Maximum
40'
Maximum
Height
8'
Minimum
Height
Support Straps Every 3'
FP1183
Figure 30 -
Support Straps for Horizontal Runs