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ASSEMBLING AND INSTALLING YOUR
DOUBLE-WALL CHIMNEY SYSTEM
The Vanguard chimney system is a snap-lock, double-wall pipe. It
consists of a stainless steel inner flue pipe, a galvanized outer pipe,
and a wire spacer. Each section comes in lengths of 12, 18, 24, 36,
and 48 inches but the actual lineal gain is the actual measurable
length of a part after two or more parts are connected.
LINEAL GAIN
MODEL NO.
DESCRIPTION
V1100E
MONARCH
FIREBOX
V48-10DM
FLUE PIPE
V36-10DM
FLUE PIPE
V24-10DM
FLUE PIPE
V18-10DM
FLUE PIPE
V12-10DM
FLUE PIPE
VETL-10D
CHASE STYLE
TERMINATION
VRTL-10D
ROUND TOP
TERMINATION
Place pipe assembly (inner and outer with wire spacer) over starting
collar. Inner pipe fits inside inner pipe, outer pipe fits outside outer
f i r e - p a r t s . c o m
pipe. Begin by aligning hemmed-end of inner flue pipe into the inner
starting flue pipe of firebox. Push down until hem "snap-locks" with
lances. The outer pipe is just the opposite; female end has the lances.
Continue the same procedure for the outer pipe.
HEMMED
END
Figure 5
It is important to assure the joint between the chimney sections is
fully locked. Check by pulling chimney upward after locking. The
chimney should not come apart if properly locked. It is not necessary
to add screws to keep vertical or angled chimney runs together.
WARNING: THE OPENINGS AROUND THE START-
ING COLLAR ON TOP OF THE FIREBOX MUST NEVER
BE OBSTRUCTED. NEVER USE BLOWN INSULA-
TION TO FILL THE CHIMNEY ENCLOSURE.
GAIN
1
64
/
(1638mm)
2
46
3
/
(1178mm)
8
34
3
/
(873mm)
8
22
3
/
(568mm)
8
3
16
/
(416mm)
8
3
10
/
(264mm)
8
7 (178mm) TO 17
(432mm)
6 (152mm)
15" (381 mm)
DIA. GALVANIZED
OUTER PIPE
10" (254 mm)
STAINLESS
INNER PIPE
LANCED SIDE UP
4
FIRESTOP SPACERS
Firestop spacers are required at each point where the chimney
penetrates a floor or ceiling, joist space. Their purpose is twofold;
they establish and maintain the required clearance between the outer
pipe and combustible materials, and they also serve as a shield
between floors as required by most codes.
When the pipe passes through a framed opening into a living space
above, a firestop must be placed on the ceiling below (Figure 6).
LIVING SPACE
ABOVE CEILING
Figure 6
When the pipe passes through a framed opening into an attic space
above, a firestop must be placed on the attic floor above (Figure 7)
SCREW
(TYP. OF 8)
FIRESTOP
SPACER
Figure 7
SUPPORT SECTIONS
The chimney support section is a 4 strap, 12 inch length of pipe. A
chimney support is required every 30 feet above the firebox after a
straight chimney run, or above a return elbow after a straight
chimney run (Figure 8).
This support is designed to relieve the extra weight load on the
firebox and elbows when high chimneys are installed.
V12S-10DM
SUPPORT
REQUIRED
30 FT.
(9.14m)
Figure 8
EXISTING CEILING
FRAME
FIRESTOP SPACER
SCREW
(TYP. OF 8)
ATTIC SPACE
ABOVE CEILING
V12S-10DM
SUPPORT
REQUIRED
EXISTING CEILING
FRAME
30 FT.
(9.14m)
RETURN
ELBOW
55507
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