Lennox Hearth G43UF - Manual (Page 12)

G43UF / Page 12
OPTIONAL ACCESSORY DIMENSIONS − INCHES (MM)
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5 (127)
5-1/2
(140)
12 (305)
Minimum
ABOVE GRADE
INTAKE
AIR
EXHAUST
AIR
GRADE
EXHAUST
AIR
INTAKE
AIR
INSULATION
(Not Furnished)
If Intake and Exhaust Pipe is less than
12 in. (305 mm) above snow accumula-
tion or other obstructions, field fabri-
cated piping must be installed.
GRADE
12
(305)
2
(51)
12
(305)
WALL TERMINATION KITS (CLOSE-COUPLE) − 22G44 − 2 inch (51 mm) or 44J40 − 3 inch (76 mm)
See Installation Instructions for specific usage.
12
(305)
DIRECT VENT APPLICATIONS
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5
(127)
5-1/2
(140)
8 (203)
Minimum 12 (305)
Minimum
ABOVE GRADE
WTK WALL ASSEMBLY TERMINATION KIT WITH FIELD FABRICATED ABOVE GRADE EXTENDED CLEARANCE
30G28 − 2 inch (51 mm) or 81J20 − 3 inch (76 mm)
See Installation Instructions for specific usage.
GRADE
EXHAUST
AIR
INTAKE
AIR
INSULATION
(Not Furnished)
If Intake and Exhaust Pipe is less than
12 in. (305 mm) above snow accumula-
tion or other obstructions, field fabri-
cated piping must be installed.
12 (305)
Maximum
GRADE
12
(305)
INTAKE
AIR
EXHAUST
AIR