Lennox G43UF SERIES Unit Information

Page 19
II−PLACEMENT AND INSTALLATION
Table 10 lists the available exhaust termination kits. All Len-
nox vent terminations are PVC or ABS.
TABLE 10
TERMINATION KITS
Vent Pipe Length Equivalency (feet)
UNIT
MODEL
VENT
PIPE
DIA.
(in.)
Outdoor
Exhaust
Accelerator
(Dia. X
Length)
Outdoor
Exhaust
Accelerator
(Dia. X
Length)
1−1/2"
Concen-
tric Kit
2" Con-
centric
Kit
3" Con-
centric
Kit
2" Wall
Plate Kit
3" Wall
Plate Kit
2" Wall
Kit with
Vent Ex-
tension
2" Wall
Ring Kit
1−1/2" X 12"
2" X 12" 71M80 60M29 60L46 22G44
44J40
81J20
30G28 15F74
2 4
Not
Allowed
12
Not
Allowed
Not
Allowed
4 4* 4 4
24B−045
2−1/2 5
Not
Allowed
15
Not
Allowed
Not
Allowed
5 5* 5 5
24B 045
36B−045
3 7
Not
Allowed
21
Not
Allowed
Not
Allowed
7 7* 7 7
4 14
Not
Allowed
42
Not
Allowed
Not
Allowed
14 14* 14 14
2 4
Not
Allowed
12
Not
Allowed
Not
Allowed
4 4* 4 4
36B−070
2−1/2 5
Not
Allowed
15
Not
Allowed
Not
Allowed
5 5* 5 5
36B
−
070
3 8
Not
Allowed
24
Not
Allowed
Not
Allowed
8 8* 8 8
4 14
Not
Allowed
42
Not
Allowed
Not
Allowed
14 14* 14 14
2
Not
Allowed
1
Not
Allowed
3 3
Not
Allowed
1
Not
Allowed
1**
36C−090
2−1/2
Not
Allowed
2
Not
Allowed
6 6
Not
Allowed
2
Not
Allowed
2**
36C 090
48C−090
3
Not
Allowed
2
Not
Allowed
6 6
Not
Allowed
2
Not
Allowed
2**
4
Not
Allowed
4
Not
Allowed
12 12
Not
Allowed
4
Not
Allowed
4**
2
Not
Allowed
1
Not
Allowed
3 3
Not
Allowed
1
Not
Allowed
1**
48C−110
2−1/2
Not
Allowed
2
Not
Allowed
6 6
Not
Allowed
2
Not
Allowed
2***
48C 110
60C−110
3
Not
Allowed
2
Not
Allowed
6 6
Not
Allowed
2
Not
Allowed
2***
4
Not
Allowed
4
Not
Allowed
12 12
Not
Allowed
4
Not
Allowed
4***
60D−135
3
Not
Allowed
6
Not
Allowed
Not
Allowed
15
Not
Allowed
6
Not
Allowed
6***
60D
−
135
4
Not
Allowed
10
Not
Allowed
Not
Allowed
25
Not
Allowed
10
Not
Allowed
10***
*Requires field−provided and installed 1−1/2" exhaust accelerator.
**Requires field−provided and installed 2" exhaust accelerator.
***For use only in non−direct vent applications, when snow riser is not required. Requires field−provided and installed 2" exhaust accelera
tor.
***For use only in non−direct vent applications.

Lennox G43UF SERIES Specifications

General

Heating Stages	Single-stage
Blower Motor	PSC
Gas Valve	Single-stage
Fuel Type	Natural gas or propane
Cabinet Type	Upflow/Horizontal
Cabinet Width	17.5 inches
Warranty	5-Year Limited Warranty on covered components
Heating Capacity	44, 000 to 132, 000 BTU/h