Lennox Hearth 775 User Manual
Page 7
7
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 5
EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS
V
V
V
V
V
F
C
Fixed
Closed
Window
Operable
Window
B
B
A
B
H
M
I
= Vent Terminal
= Area where Terminal is not Permitted
= Air Supply Inlet
X
V
D
V
3 ft.
3 ft.
A
A
A
= 9” in U.S.
= 12” in Canada
V
L
B
J
X
E
V
A
G
Inside
Corner Detail
*18”
Ventilated Soffit
Horizontal
Termination
Detail D
Exterior Wall
Center Line
of Termination
18”
Inside Corner
B
C
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*
See Item D in the Text Below.
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