Specifications – Lennox Hearth G43UF User Manual
Page 5
G43UF / Page 5
SPECIFICATIONS
Gas
Heating
Performance
Model No.
G43UF
−24B−045
G43UF
−24B−070
G43UF
−36B−070
G43UF
−36C−090
G43UF
−36C−090H
Canada Only
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) 40,300 (11.8)
61,000 (17.9)
62,000 (18.2)
82,000 (24.0)
81,000 (23.7)
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)
1
AFUE
92.1%
90.0%
92.1%
92.1%
90.0%
High static (CSA) − in. w.g. (Pa)
.50 (124)
.50 (124)
.50 (124)
.50 (124)
.50 (124)
Connections
in
Intake / Exhaust Pipe (PVC)
2 / 2
2 / 2
2 / 2
2 / 2
2 / 2
in.
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)
Air Volume Range − cfm (L/s)
465 − 1125
(220 − 530)
425 − 1020
(200 − 480)
710 − 1640
(335 − 775)
730 − 1630
(345 − 770)
730 − 1630
(345 − 770)
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
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)
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)
1
AFUE
92.1%
92.1%
90.0%
92.1%
92.1%
High static (CSA) − in. w.g. (Pa)
.50 (124)
.50 (124)
.50 (124)
.50 (124)
.50 (124)
Connections
in
Intake / Exhaust Pipe (PVC)
2 / 2
2 / 2
2 / 2
2 / 2
3 / 3
in.
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 − 14.0)
3 − 4
(10.5 − 14.0)
3 − 4
(10.5 − 14.0)
4 − 5
(14.0 − 17.5)
4 − 5
(14.0 − 17.5)
Air Volume Range − cfm (L/s)
950 − 2180
(450 − 1030)
885 − 2160
(420 − 1020)
885 − 2160
(420 − 1020)
1470 − 2720
(695 − 1285)
1440 − 2730
(680 − 1290)
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