Lennox G43UF SERIES Unit Information

Page 3
OPTIONAL ACCESSORIES − MUST BE ORDERED EXTRA
B" Width Models C" Width Models D" Width Models
FILTER KITS
1
Air Filter and
Rack Kit
Side Return
Single 44J22 44J22 44J22
Rack Kit
Ten Pack 66K63 66K63 66K63
Size of filter − in. (mm) 16 x 25 x 1
(406 x 635 x 25)
16 x 25 x 1
(406 x 635 x 25)
16 x 25 x 1
(406 x 635 x 25)
EZ Filter Base
Catalog No. − Ship. Wt. − lbs. (kg) 73P56 − 7 (3) 73P57 − 8 (4) 73P58 − 10 (5)
Size of field provided filter − in.
(mm)
16 x 25 x 1
(406 x 635 x 25)
20 x 25 x 1
(508 x 635 x 25)
24 x 24 x 1
(610 x 610 x 25)
CABINET ACCESSORIES
Return Air Base 76M88 74M74 74M75
CONDENSATE DRAIN KITS
Condensate Drain Heat Cable
6 ft. (1.8 m) 26K68 26K68 26K68
24 ft. (7.3 m) 26K69 26K69 26K69
50 ft. (15.2 m) 26K70 26K70 26K70
Heat Cable Tape
Fiberglass − 1/2 in. x 66 ft. 39G04 39G04 39G04
Aluminum foil − 2 in. x 60 ft. 39G03 39G03 39G03
Condensate Trap Alternate Location Kit − Up−Flow Only 76M20 76M20 76M20
CONTROLS
Twinning Kit 15L38 15L38 15L38
TERMINATION KITS − See Installation Instructions for specific venting information.
Termination Kits
Direct Vent
Concentric
1−1/2 in. (38 mm) 71M80 − − − − − −
Direct Vent
A
pp
lications
2 in. (51 mm) − − − 69M29 − − −
Applications
Only
3 in. (76 mm) − − − 60L46 60L46
Wall − Close
Couple
2 in. (51 mm) 22G44 − − − − − −
Couple
3 in. (76 mm) 44J40 44J40 44J40
Close Couple WTK − 2 in. (51 mm) 30G28 − − − − − −
3 in. (76 mm) 81J20 81J20 81J20
2
Termination
Kits Direct or
Roof 2 in. (51 mm) 15F75 15F75 15F75
Kits − Direct or
Non−Direct Vent
Wall − Wall Ring
Kit
2 in (51 mm) 15F74 15F74
3
15F74
Roof Termination Flashing Kit − Direct or Non−Direct
Vent − Contains two flashings.
44J41 44J41 44J41
1
Cleanable polyurethane frame type filter.
2
Kits contain enough parts for two, non−direct vent installations.
3
Non−direct vent only.
GAS HEAT ACCESSORIES
Input
Model No
1
High Altitude
Orifice Kit
Natural Gas Only
High Altitude Pressure
Switch Kit
LPG/Propane Kit
Input Model No.
Natural Gas Only
4501−7500 ft.
(1372−2286 m)
7501−10,000 ft.
(2286−3048 m)
0−7500 ft.
(0−2286 m)
7501−10,000 ft.
(2286−3048 m)
−045
G43UF 59M16 − − − 95M22 83M74 83M75
−045−1 to −6 G43UF 59M16 − − − 56M06 83M74 83M75
−070 G43UF 59M16 56M05 56M06 83M74 83M75
−070−1 to −6 G43UF 59M16 − − − 56M06 83M74 83M75
−090 G43UF 59M16 75M20 56M07 83M74 83M75
−110 G43UF 59M16 75M20 56M07 83M74 83M75
−135 G43UF 59M16 56M04 60M35 83M74 83M75
1
Required for proper operation at altitudes from 7501 to 10,000 ft. (2286 to 3048 m).

Lennox G43UF SERIES Specifications

General

Brand	Lennox
Model	G43UF SERIES
Category	Furnace
Language	English