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Heatilator • CRAVE4836/ST-B, CRAVE6048/ST-B, CRAVE7260/ST-B, CRAVE8472/ST-B Installation Manual • 2301-973 Rev. H • 5/17
B
D
A
HEADER
DEPTH**
C
APPLIANCE MAY BE INSTALLED OFF OF FLOOR***
Figure 3.10 Clearances to Combustibles-CRAVE4836-B, CRAVE6048-B, CRAVE7260-B, CRAVE8472-B
MINIMUM FRAMING DIMENSIONS*
CRAVE4836-B
A
B
C
D
E
F
G
H
I
J
K
Rough
Opening
(Vent Pipe)
Rough
Opening
(Height)
Rough
Opening
(Depth)
Rough
Opening
(Width)
Clearance
to Ceiling
Combustible
Floor
Combustible
Flooring
Behind
Appliance
Sides of
Appliance
Front of
Appliance
Clearance
to Ceiling
Inches
10
42
18-1/4
48-1/4
31
0
0
1
1
48
55-1/2
Millimeters
254
1067
464
1226
787
0
0
25
25
1219
1410
CRAVE6048-B
Inches
10
42
18-1/4
60-1/4
31
0
0
1
1
48
55-1/2
Millimeters
254
1067
464
1530
787
0
0
25
25
1219
1410
CRAVE7260-B
Inches
10
48
18-1/4
72-1/4
31
0
0
1
1
48
55-1/2
Millimeters
254
1219
464
1835
787
0
0
25
25
1219
1410
CRAVE8472-B
Inches
10
48
18-1/4
84-1/4
31
0
0
1
1
48
55-1/2
Millimeters
254
1219
464
2140
787
0
0
25
25
1219
1410
* = Adjust framing dimensions for interior sheathing (such as sheetrock)
**= Header depth not to exceed 3-1/2 inches.
***= If appliance is installed off of floor, maintain required clearances to combustibles.
Construct platform in accordance with local building codes.
J
G
I
H
E
F
K
E=MEASUREMENT FROM TOP OF
FIREPLACE OPENING
TO CEILING
K=MEASUREMENT FROM
BOTTOM OF FIREPLACE
TO CEILING