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OPERATION GUIDELINES
CLEARANCES
supplied, this can cause a negative pressure in the home. When this happens, the house will draw in outside
air from the cracks in the windows, down the fireplace flue or other locations of air leakage in the home.
Because cold air infiltration may be unavoidable in some structures, Monessen Hearth Systems is not
responsible for heat loss or air infiltration through or around the fireplace.
FIGURE 1
53D9033. Rev 1 03/03
612 ROOF
FLASHING
FLUE O
U
TLET
HEIG
H
T
16 FT. = MIN. HEIGHT (2-30∞ ELBOWS)
16 FT. = MIN. HEIGHT (NO OFFSETS)
FP6U AIR DUCT
TOP SPACER
GLASS DOORS
MGD36B/MGD36PB
STORM COLLAR
AK4 OUTSIDE
COMBUSTION
AIR KIT
TO COMBUSTIBLES.)
(1-3/4" MINIMUM AIR SPACE
SF FIRESTOP SPACER
14-1/2" FRAMED OPENING.
REQUIRES A 14-1/2" X
METAL SAFETY
STRIP
METAL SAFETY
STRIP
VENTED ATTIC SPACE
MAY USE:
AIR SPACE TO COMBUSTIBLES)
CHIMNEY PIPE (2" MINIMUM
ROUND CHIMNEY
CAP MODEL SC
FLASHING
612 ROOF
(1-3/4" MINIMUM AIR SPACE
SVTR FIRESTOP THIMBLE.
REQUIRES A 14-1/2" X 14-1/2"
TO COMBUSTIBLES.)
FRAMED OPENING.
(OPTIONAL)
COMBUSTIBLE MATERIALS SHOULD NOT BE INSTALLED BELOW TOP SPACERS OF
THE FIREPLACE. NONCOMBUSTIBLE MATERIALS SUCH AS BRICK OR TILE MAY BE
USED TO TRIM FACE OF THE FIREPLACE BUT SHOULD NOT COVER ANY AIR INLETS.
COMBUSTIBLES MUST NOT OVERLAP BLACK PAINTED SURFACES OF THE FIREPLACE.
NOTICE:
16 FT. = MIN. HEIGHT (NO OFFSETS)
16 FT. = MIN. HEIGHT (2-30∞ ELBOWS)
21 FT. = MIN. HEIGHT (4-30∞ ELBOWS)
86 FT. = MAX. HEIGHT (SCS CHIMNEY
SUPPORT EVERY 30 FT.)
FOR AK6 KIT.
FP4U AIR DUCT
FOR AK4 KIT.
S12 (12 IN. LONG) PIPE,
S18 (18 IN. LONG) PIPE,
S36 (36 IN. LONG) PIPE,
S48 (48 IN. LONG) PIPE.
25 3/4"
FRONT TO BACK
FRAMING DIMENSION
NAIL TO FRAMING MEMBER.
CHIMNEY PIPE (2" MINIMUM
AIR SPACE TO COMBUSTIBLES)
MAY USE:
S18 (18 IN. LONG) PIPE,
S36 (36 IN. LONG) PIPE,
S48 (48 IN. LONG) PIPE.
S12 (12 IN. LONG) PIPE,
38 1/2"
FRAMING
DIMENSION
ROUND CHIMNEY
CAP MODEL SC
STORM
COLLAR
FLUE O
U
TLE
T
HE
I
G
H
T
RESIDENTIAL HOME
INSTALLATION
TYPICAL FRAMING FOR
TYPICAL FRAMING FOR
MANUFACTURED HOME
INSTALLATION
(TYPICAL FOR RIGHT SIDE.)
NAIL TO FRAMING MEMBER.
(TYPICAL FOR RIGHT SIDE.)
38 1/2"
DIMENSION
FRAMING
AIR KIT
COMBUSTION
AK6 OUTSIDE
25 3/4"
FRONT TO BACK
FRAMING DIMENSION
TOP SPACER