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125160-01A 13
been built at the correct heights; system drafts
caused by faulty mechanical systems; adverse
weather conditions or any other environmental
situations over which the manufacturer has no
control.
Inspect all replace & chimney components for 5)
evidence of damage prior to starting installation.
Consult your local distributor for replacement
parts if necessary.
Under no circumstances should you make any 6)
adjustments or modications to the chimney
system during the installation procedure. If
you do, you are not only liable for negating the
warranty, but you could very well cause a serious
malfunction of the replace. You must follow these
chimney instructions.
Caution is urged if it is decided to add insulation 7)
material to any part of the Grand Meridian Fireplace
or Chimney system, be certain that the insulation
material is kept at least 2” away from any part of
the system. When using insulation or vapor barrier
materials, cover with a layer of plywood, particle
board or gypsum board to maintain the specied
2” clearance.
Air spaces around rebox must remain open. 8)
DO NOT ll these open spaces with insulation or
packing material of any kind.
CHIMNEY PIPE
The FMI PRODUCTS, LLC chimney system consists
of 12", 18", 24", 36" and 48" snap-lock, double-wall
pipe segments, planned for maximum adaptability to
individual site requirements. Actual lengths gained
after tting overlaps must be taken into consideration
(lineal gain) and are given in the lineal gain chart (see
Figure 14). Lineal Gain is the actual measurable length
of a part after two or more parts are connected.
WARNING: The opening in the collar around
the chimney at the top of the replace must not
be obstructed. Never use blown insulation to
ll the chimney enclosure.
VENTING INSTALLATION
Continued
Figure 14 - Lineal Gain
LINEAL GAIN
PART NO. DESCRIPTION GAIN
MM33 Fireplace 54 ⅝
"
MM39
MM44/49
Fireplace 63 ½
”
MM63 Fireplace 73
”
12-12DM Pipe Section 10
5
/
8
"
18-12DM Pipe Section 16
5
/
8
"
24-12DM Pipe Section 23
5
/
8
"
36-12DM Pipe Section 34
5
/
8
"
48-12DM Pipe Section 46
5
/
8
"
RLT-12D
Round
Termination
7
3
/
4
"
*
STL-12D
Square Chase-
Top with Slip
Section
7
"
to 15
"
*
* The lineal gain for the terminations is
measured to the ue gas outlet height.
Hemmed End
12
3
/
8
"
Stainless
Inner Pipe
15" Galvanized
Outer Pipe