Blower data – Lennox Hearth G43UF User Manual
Page 13

G43UF / Page 13
BLOWER/WATTS DATA
G43UF−24B−045 PERFORMANCE (Less Filter)
External Static
Air Volume / Watts at Different Blower Speeds
External Static
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
1125
530
425
900
425
360
745
350
295
690
325
265
0.10
25
1115
525
410
905
425
350
760
360
285
695
330
260
0.20
50
1090
515
395
895
420
335
755
355
280
685
325
255
0.30
75
1060
500
380
880
415
325
740
350
270
675
320
250
0.40
100
1020
480
365
860
405
315
720
340
260
665
315
240
0.50
125
970
460
345
835
395
300
700
330
255
640
300
230
0.60
150
920
435
335
795
375
290
665
315
240
600
285
220
0.70
175
860
405
315
730
345
270
620
295
230
565
265
215
0.80
200
760
360
295
665
315
250
560
265
215
510
240
200
0.90
225
675
320
275
585
275
230
495
235
200
465
190
175
G43UF−24B−070 PERFORMANCE (Less Filter)
External Static
Air Volume / Watts at Different Blower Speeds
External Static
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
1115
525
435
875
415
360
720
340
290
665
315
255
0.10
25
1115
525
425
865
410
350
725
340
285
670
315
255
0.20
50
1100
520
415
870
410
335
730
345
280
665
315
250
0.30
75
1080
510
400
870
410
330
725
340
270
655
310
240
0.40
100
1050
495
385
855
405
320
715
335
265
645
305
240
0.50
125
1010
475
365
835
395
310
695
330
255
625
295
230
0.60
150
980
460
355
810
380
295
675
320
250
600
285
225
0.70
175
930
440
340
770
365
285
640
300
235
565
265
215
0.80
200
855
405
320
720
340
270
585
275
220
520
245
200
0.90
225
770
365
295
650
305
250
525
245
205
465
220
190
G43UF−36B−070 PERFORMANCE (Less Filter)
External Static
Air Volume / Watts at Different Blower Speeds
External Static
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
1640
775
660
1415
665
575
1160
545
485
1005
475
410
0.10
25
1600
755
635
1395
660
550
1160
545
460
1000
470
385
0.20
50
1540
725
605
1370
650
525
1160
545
445
995
470
375
0.30
75
1495
705
580
1345
635
505
1145
540
425
990
465
365
0.40
100
1420
670
545
1275
605
480
1125
530
395
965
455
345
0.50
125
1360
640
525
1245
590
450
1080
510
375
945
445
325
0.60
150
1275
600
490
1165
550
410
1025
485
350
900
425
305
0.70
175
1170
555
465
1085
515
385
965
430
335
860
405
295
0.80
200
1080
510
440
1010
475
360
865
410
310
775
365
270
0.90
225
945
445
400
840
395
320
765
360
275
710
335
245
G43UF−36C−090(H) PERFORMANCE (Less Filter)
External Static
Air Volume / Watts at Different Blower Speeds
External Static
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
1630
770
745
1360
640
635
1125
530
540
975
460
440
0.10
25
1620
765
715
1365
645
610
1160
545
515
1000
470
430
0.20
50
1590
750
680
1365
645
580
1160
545
495
990
465
405
0.30
75
1550
730
655
1355
640
565
1170
550
475
985
465
395
0.40
100
1520
715
630
1330
630
545
1160
545
460
980
460
380
0.50
125
1465
690
605
1300
615
515
1140
540
440
960
455
360
0.60
150
1415
670
570
1250
590
490
1095
515
420
940
445
350
0.70
175
1350
635
545
1215
575
470
1065
500
400
905
425
335
0.80
200
1260
595
510
1140
540
440
1005
475
375
850
400
310
0.90
225
1165
550
475
1035
485
395
900
425
335
730
345
285
NOTES − All air data is measured external to unit without filter (not furnished − field provided).
Air volume based on bottom air return air. Actual air volume may vary on side return air applications.