Installation Instructions

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107777-01J8
VENTING INSTALLATION
Continued
Figure 9 - Typical Offset Installation
Return
Elbow
Offset
Elbow
Return
Elbow
Offset
Elbow
6' Max.
6' Max.
6' Max.
6' Max.
6' Max.
6' Max.
Return
Elbow
Offset
Elbow
Offset
Elbow
Return
Elbow
A
B C
Offset
Elbow
Ceiling
Support Pipe
12S-8DM
Return
Elbow
ASSEMBLY AND INSTALLATION OF
DOUBLE WALL CHIMNEY SYSTEM
Each double wall chimney section consists
of a galvanized outer pipe, a stainless steel
inner ue pipe and a wire spacer. Pipe sec-
tions must be assembled independently as
chimney is installed.
When connecting chimney directly to re-
place, inner ue pipe section must be installed
rst with lanced side up. Outer pipe section
can then be installed over ue pipe section
with hemmed end up. Press down on each
pipe section until lances securely engage
hem on replace starter. The wire will assure
proper spacing between inner and outer pipe
sections.
Note: For Canada, use chimney parts desig-
nated HT.
Opening in collar around
chimney at top of replace must
not be obstructed. Never use
blown insulation to ll chimney
enclosure.
Continue to assemble chimney sections as
outlined, making sure that both inner and
outer pipe sections are locked together. When
installing double wall snap-lock chimney to-
gether, it is important to assure joint between
chimney sections is locked. Check by pulling
chimney upward after locking. Chimney will
not come apart if properly locked. It is not
necessary to add screws to keep chimney to-
gether (exception - see Figure 11, page 9).
USING ELBOW OFFSETS (30E-8DM)
1. To achieve desired offset, you may install
combinations of 12", 18", 24", 36" and 48"
length of double wall pipe (see offset chart
and Figure 9).
Note: For systems with 2 elbow sets, mini-
mum height is 22 feet. Maximum height
for any system is 50 feet.
2. Chimney weight above offset rests on
return elbow. Straps must be securely
nailed to rafters or joists (see Figure 10,
details A and B on page 9).
3. Maximum length of pipe between supports
(return elbow or 12S-8DM) is 6' of angle
run. Maximum of two 6' angle run sections
per chimney system (see Figure 9).
4. All pipe connections between offset and
return must be secured with two screws
on outer pipe only (see Figure 11, page
9). Do not penetrate inner stainless.