Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. W • 12/15
20
C
A
B
D
Figure 5.3 Clearances to Combustibles
G
F
I
I
E
H
* Adjust framing dimensions for interior sheathing (such as sheetrock)
GDFL4136I
A
B
C
D
E
F
G
H
I
DVP Pipe SLP Pipe
Rough
Opening
(Height)
DVP Pipe*
Rough
Opening
(Width)
Clearance
to Ceiling
Combustible
Floor
Combustible
Flooring
Ends of
Appliance
Sides of
Appliance
Rough
Opening
(Width)
Rough
Opening
(Width)
Rough
Opening
(Depth)
Inches
10
8-5/8
38-1/8
23
40
34-1/8
0
0
1/2
36
Millimeters
254
219
968
584
1016
867
0
0
13
914
C
A
B
D
Figure 5.4 Clearances to Combustibles
* Adjust framing dimensions for interior sheathing (such as sheetrock)
GDCR4136I
A
B
C
D
E
F
G
H
I
DVP Pipe SLP Pipe
Rough
Opening
(Height)
DVP Pipe*
Rough
Opening
(Width)
Clearance
to Ceiling
Combustible
Floor
Combustible
Flooring
Ends of
Appliance
Sides of
Appliance
Rough
Opening
(Width)
Rough
Opening
(Width)
Rough
Opening
(Depth)
Inches
10
8-5/8
38-1/8
24
40
34-1/8
0
0
1/2
36
Millimeters
254
219
968
610
1016
867
0
0
13
914
G
F
I
I
E
H
H