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7
INTERIOR INSTALLATION ON A FURNACE, BOILER, OR WATER HEATER
Step 1. Locate the chimney in a convenient place as
near as possible to the appliance outlet. Cut
and frame the opening in the ceiling where the
chimney will pass.
NOTE: It is important to follow the framing dimensions
for the floor openings prescribed in this manual.
Refer to Table 1 for proper framing dimensions.
Step 2. From below push the support into the framed
hole. Nail the support to the framed box using
(12) 3" spiral nails or #8 x 1 1/2" wood screws
(see Figure 25).
Step 3. Put this first chimney length in the support.
Turn it clockwise to lock it in place.
NOTE: Arrow on pipe label must be pointing up.
Step 4. From below, install a Firestop (FS) in each
floor through which the chimney passes (see
Figure 26).
Step 5. Stack the next chimney length on the first
length. Be sure that the male and female
threads are not in line when putting the lengths
together. Turn the chimney clockwise to lock
it in place. Continue until the required chimney
height is reached.
Step 6. At the attic level, install a Firestop (FS), from
below and an Attic Radiation Shield (ISIA) from
above (see Figure 27).
Step 7. (USA ONLY) Install the roof radiation shields
in the roof joists. These shields consist of four
metal plates. Nail one plate to each side of
the joist using (2) 2-1/2'' nails.
Step 8. Put the roof flashing in place. Seal the joint
between the roof and the flashing with roofing
compound.
For sloping roofs, place the flashing under
the upper shingles and on top of the lower
shingles. Nail the flashing to the roof using
roofing nails.
20
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
FINISH SUPPORT (FSC)
Figure 25
1. C0NNECTOR
2. BASE TEE FOR
TWIN CONNECTIONS
3. FINISH SUPPORT
4. FIRESTOP
5. INSULATED LENGTH
6. ROOF SUPPORT
7. ATTIC RADIATION
SHIELD
8. FLAT ROOF FLASHING
9. REGULAR RAIN CAP
Figure 26
NAILS
9
8
7
4
6
4
5
4
3
1
2
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