Filter
Top Products
Heatilator • GBST4336I, GBFL4136I • 2135-900 Rev. B • 3/08
18
C
A
B
D
* Adjust framing dimensions for interior sheathing (such as sheetrock)
**See pipe manufacturer’s installation instructions
MINIMUM FRAMING DIMENSIONS*
GBFL4136I
ABC*DE F GHI
Rough
Opening
(Vent Pipe)
Rough
Opening
(Height)
Rough
Opening
(Depth)
Rough
Opening
(Width)
Clearance
to Ceiling
Combustible
Floor
Combustible
Flooring
End of
Appliance
Sides of
Appliance
Inches ** 38-1/2 23 41 31-5/8 0 0 1/2 36
Millimeters ** 978 584 1041 803 0 0 13 914
E
G
H
I
F
I
Figure 5.3 Clearances to Combustibles, Model GBFL4136I