Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/0820
C
A
B
D

Figure 5.3 Clearances to Combustibles

G
F
II
E
H
* Adjust framing dimensions for interior sheathing (such as sheetrock)

GDFL4136I

GDFL4136

ABCDEFGHI

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 31-5/8 0 0 1/2 36
Millimeters 254 219 968 584 1016 803 0 0 13 914
C
A
B
D

Figure 5.4 Clearances to Combustibles

* Adjust framing dimensions for interior sheathing (such as sheetrock)

GDCR4136I

GDCL4136I

ABCDEFGHI

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 31-5/8 0 0 1/2 36
Millimeters 254 219 968 610 1016 803 0 0 13 914
G
F
II
E
H
H