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Heatilator • GDST4336IFT, GDFL4136IFT Installation Manual • 2480-980 Rev. B • 3/17
B. Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances as speci
fi
ed. Framing closer than the minimums list-
ed must be constructed entirely of non-combustible materi-
als (i.e., steel studs, concrete board, etc.).
Note:
Measurement is taken from top of the
opening, NOT the top of the
fi
replace.
Note:
All
measurements
in inches.
TO CEILING
5
10
11
12
2-1/2
13
14
15
16
17
18
19
31
9
10
11
12
8
7
6
5
4
3
25
18
MAX.
MIN.
MEASUREMENT FROM FIREPLACE
OPENING TO BOTTOM OF
APPLIANCE= 33-1/2 IN.
GDST4336IFT Combustible Mantel
GDFL4136IFT Combustible Mantel
Note:
All
measurements
in inches.
TO CEILING
5
10
11
12
1
13
14
15
16
17
18
19
31
9
10
11
12
8
7
6
5
4
3
25
18
MAX.
MIN.
MEASUREMENT FROM FIREPLACE
OPENING TO BOTTOM OF
APPLIANCE= 33-1/2 IN.
Figure 10.2 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
Figure 10.3 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
10
11
12
18
9
8
7
6
1
2
3
4
5
6
12
31
MAX.
MIN.
TO CEILING
MEASUREMENT FROM FIREPLACE
OPENING TO BOTTOM OF
APPLIANCE= 33-1/2 IN.
4
31
8
9
10
12
7
6
6
7
8
9
10
12
MAX.
MIN.
TO CEILING
MEASUREMENT FROM FIREPLACE
OPENING TO BOTTOM OF
APPLIANCE= 33-1/2 IN.
Note:
All
measurements
in inches.
Note:
All
measurements
in inches.
Figure 10.4 Minimum Vertical and Maximum Horizontal
Dimensions of Non-Combustibles
Figure 10.5 Minimum Vertical and Maximum Horizontal
Dimensions of Non-Combustibles
GDFL4136IFT Non-Combustible Mantel
GDST4336IFT Non-Combustible Mantel