Venting installation – FMI MASONRY FIREBOX MM33 User Manual
Page 13
www.fmiproducts.com
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 fireplace & 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 modifications 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 fireplace. 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 specified
2” clearance.
Air spaces around firebox must remain open.
8)
DO NOT fill 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 fitting 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 fireplace must not
be obstructed. never use blown insulation to
fill 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 flue gas outlet height.
Hemmed End
12
3
/
8
"
Stainless
Inner Pipe
15" Galvanized
Outer Pipe