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Heatilator • HEIR36-IFT, HEIR42-IFT, HEIR50-IFT Installation Manual • 2458-980 Rev. B • 8/17
48
C. Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances as specified. Framing closer than the minimums list
-
ed must be constructed entirely of non-combustible materi-
als (i.e., steel studs, concrete board, etc.).
Combustible Mantel Legs or Wall Projections
Non-Combustible Mantel Legs or Wall Projections
FIREPLACE
OPENING
COMBUSTIBLE OR
NON-COMBUSTIBLE
WALL
14 IN. MIN.
NON-COMBUSTIBLE
COLUMN
6 IN. MAX.
1/2 IN. BUILDING MATERIAL
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD
SEE SECTION 10.D
FOR REQUIRED
CLEARANCES
7 IN.
MIN.
FIREPLACE
OPENING
COMBUSTIBLE OR
NON-COMBUSTIBLE WALL
14 IN. MIN.
COMBUSTIBLE
COLUMN
4 IN. MAX.
1/2 IN. BUILDING MATERIAL
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD
Figure 10.6 Combustible Mantel Leg and Wall Projections
Figure 10.7 Non-Combustible Mantel Leg and Wall Projections
Figure 10.8 Non-Combustible Zone
Non-Combustible Zone
When installing a mantel, provisions must be made
in order to secure the mantel to the adjacent framing
materials. For example, lintel brackets or lag bolts may
be considered for this purpose.
NO COMBUSTIBLES
IN HATCHED AREA
1/2 IN. BUILDING MATERIAL
(MAY BE COMBUSTIBLE)
FACTORY-SUPPLIED
1/2 IN.
NON-COMBUSTIBLE
BOARD
PIPE IS FOR VISUAL
REFERENCE ONLY
1 IN.
= COMBUSTIBLES
NOT ALLOWED
39 IN.
2 X 4 OR GREATER
FRAMING MATERIAL
NOTE:
2 X 4 HEADER
CONFIGURATION
2 X 4 ONLY IN
GRAY AREA
Figure 10.9 Combustible Mantel Allowance - HEIR36
1
46
3
6
12
9
49
52
55
58
FIREPLACE
OPENING
1/2 IN.
NON-COMBUSTIBLE
MATERIAL
HEIR36
MAX.
MIN.
Measurement from
fireplace opening to
bottom of appliance:
= 35-3/16 IN. (HEIR36)
Combustible Mantel Projections - HEIR36
Note:
All measurements in inches.
Note:
Measurement is taken from
bottom of appliance.