Lennox G43UF SERIES Unit Information

Page 2
SPECIFICATIONS
Gas
Heating
Performance
ModelNo. G43UF
−24B−045
G43UF
−24B−070
G43UF
−36B−070
G43UF
−36C−090
G43UF
−36C−090H
Canada Only
Performance
Input− Btuh (kW) 44,000 (12.9) 66,000 (19.3) 66,000 (19.3) 88,000 (25.8) 88,000 (25.8)
Output− Btuh (kW) 41,000 (12.0) 60,700 (17.8) 62,000 (18.2) 82,000 (24.0) 81,000 (23.7)
1
AFUE 92.1% 90.0% 92.1% 92.1% 90.0%
California Seasonal Efficiency 82.7% 84.2% 85.1% 85.2% 84.2%
Highstatic(CSA)− in.w.g. (Pa) .50 (124) .50 (124) .50 (124) .50 (124) .50 (124)
Temperature rise range − _F (_C) 30 − 60 (18 − 36) 50 − 80 (28 −
44)
40 − 70 (22 −
39)
40 − 70 (22 −
39)
50 − 80 (28 −
44)
Connections
in
2
Intake Pipe (PVC) 2 2 2 2 2
in.
2
Exhaust Pipe (PVC) 2 2 2 2 2
Condensate Drain Trap (PVC pipe) − i.d. 1/2 1/2 1/2 1/2 1/2
with field supplied (PVC coupling) − o.d. 3/4 3/4 3/4 3/4 3/4
hose with hose clamp − i.d. x o.d. 1−1/4 x 1 1−1/4 x 1 1−1/4 x 1 1−1/4 x 1 1−1/4 x 1
GaspipesizeIPS 1/2 1/2 1/2 1/2 1/2
Indoor
Blower
Wheel nominal diameter x
width −in. (mm)
10 x 7
(254 x 178)
10 x 7
(254 x 178)
10 x 8
(254 x 203)
10 x 8
(254 x 203)
10 x 8
(254 x 203)
Motoroutput − hp (W) 1/5 (149) 1/5 (149) 1/3 (249) 1/3 (249) 1/3 (249)
Tons(kW) ofadd-oncooling 1.5 − 2 (5.3 − 7.0) 1.5 − 2 (5.3 −
7.0)
2 − 3 (8.8 − 10.5) 2 − 3 (7.0 − 10.5) 2 − 3 (7.0 − 10.5)
ShippingData lbs. (kg) − 1 package 132 (60) 141 (64) 146 (66) 162 (74) 162 (74)
Electricalcharacteristics 120 volts − 60 hertz − 1 phase (less than 12 amps)
SPECIFICATIONS
Gas
Heating
Performance
ModelNo.
G43UF
−48C−090
G43UF
−48C−110
G43UF
−48C−110H
Canada Only
G43UF
−60C−110
G43UF
−60D−135
Performance
Input− Btuh (kW) 88,000 (25.8) 110,000
(32.2)
110,000
(32.2)
110,000
(32.2)
132,000
(38.7)
Output− Btuh (kW) 82,000 (24.0) 103,000
(30.2)
101,000
(29.6)
103,000
(30.2)
123,000
(36.0)
1
AFUE 92.1% 92.1% 90.0% 92.1% 92.1%
California Seasonal Efficiency 85.5% 86.2% 84.7% 85.6% 86.0%
Highstatic(CSA)− in.w.g. (Pa) .50 (124) .50 (124) .50 (124) .50 (124) .50 (124)
Temperature rise range − _F (_C) 40 − 70 (22 − 39) 45 − 75 (27− 45) 50 − 80 (28 − 44) 40 − 70 (22− 39) 45 − 75 (27− 45)
Connections
in
2
Intake Pipe (PVC) 2 2 2 2 3
in.
2
Exhaust Pipe (PVC) 2 2 2 2 3
Condensate Drain Trap (PVC pipe) − i.d. 1/2 1/2 1/2 1/2 1/2
with field supplied (PVC coupling) − o.d. 3/4 3/4 3/4 3/4 3/4
hose with hose clamp − i.d. x o.d. 1−1/4 x 1 1−1/4 x 1 1−1/4 x 1 1−1/4 x 1 1−1/4 x 1
GaspipesizeIPS 1/2 1/2 1/2 1/2 1/2
Indoor
Blower
Wheelnominaldiameter
xwidth −in. (mm)
10 x 10
(254 x 254)
10 x 10
(254 x 254)
10 x 10
(254 x 254)
11−1/2 x 10
(292 x 229)
11−1/2 x 10
(292 x 229)
Motoroutput − hp (W) 1/2 (373) 1/2 (373) 1/2 (373) 1 (746) 1 (746)
Tons(kW) ofadd-oncooling 3 − 4 (10.5 − 14) 3 − 4 (10.5 − 14) 3 − 4 (10.5 − 14) 4 − 5 (14 − 17.5) 4 − 5 (14 − 17.5)
ShippingData lbs. (kg) − 1 package 168 (76) 178 (81) 178 (81) 186 (84) 203 (92)
Electricalcharacteristics 120 volts − 60 hertz − 1 phase (less than 12 amps)
NOTE − Filters and provisions for mounting are not furnished and must be field provided.
1
−Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.
2
Determine from venting tables proper exhaust pipe size and termination kit required.

Lennox G43UF SERIES Specifications

General

Brand	Lennox
Model	G43UF SERIES
Category	Furnace
Language	English