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CHIMNEY
PIPE SUPPORT
The chimney pipe support is a double-wall, unitized 12"
length of
pipe and is designed to relieve the extra weight
toad on the fireplace and elbows when high chimneys
are installed.
A CHIMNEY SUPPORT IS REQUIRED AFTER A
STRAIGHT CHIMNEY RUN OF
35 FEET
ABOVE FIRE-
PLACE
OF
RETURN ELBOW. (Figure
24).
FIGURE 24
CHIMNEY
1
B:tpE
+
SUPPOT
-
TOP OF FIREPLACE
WlTH STRAIGHT
CHIMNEY
STEP 1: When stailing the chimney install the inner
pipe section by fitting the male end into the inner
fireplace starting collar. Make sure the male end is fully
inserted to lock into the lances. (Figure 25).
STEP 2: Fit the outer galvanized pipe with spacer into
starting collar on top of fireplace. Rotate the outer pipe
until wire spacer locks
snap through
the outer pipe slots.
(Figure 25).
I
FIGURE 25
STEP 3: tf you are remodeling, cover exposed pipe and
cut a 20" hole
on
ceiling directly a b v e center
of chimney
pipe (Use Plumb Bob).
Continue
to
assemble chimney sections as outlined
above, making
sure
that both inner and outer seaions
are locked together.
STEP 4: Determine the location of the hole to be cut in
the roof. The
roof
hole cut-out depends on the pitch of
the roof, so refer to
the
chart on Figure
26.
FIGURE 26
CEILING OPENING CHART
CHIMNEY
SET
UP
VERTICAL
15"OfFSET
3O0OFFSET
ROOF
OPENING CHART
PITCH
FLAT
6/12
12/12
1W12
RECOMMENDED
FLASHING
USE
FIRESTOP
PART NO.
792990
7931 02
792969
1
OPENING
ROOF
PITCH
0
-
6/12
6-12/12
12 18/12
1 1 8 - 2 4 / 1 2
A
19 1 1 2
191/2
19 112
OPENING
FLASHING
PART NO.
792975
792976
792977
792978
B
19 112
22114
27
C
19 112
19 t/2
19 112
19 112
0
19 1 1 2
22
273/4
35 1/2
43314
24/12
19112
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