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Installation, Operation & Maintenance Manual
Furnace
Return-air
Speed
size
inlet
H
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Mid-H
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Bottom or
100C
Mid
Temp Rise-1st stage ℉
Sides
Temp Rise-2nd stage ℉
Mid-L
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Low
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
H
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Mid-H
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Bottom or
100D
Mid
Temp Rise-1st stage ℉
Sides
Temp Rise-2nd stage ℉
Mid-L
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Low
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
H
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Mid-H
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Bottom or
120D
Mid
Temp Rise-1st stage ℉
Sides
Temp Rise-2nd stage ℉
Mid-L
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Low
Temp Rise-1st stage ℉
Temp Rise-2nd stage ℉
Table 4
Air Delivery - CFM (Without Filter) * **
* A fi lter is required for each return air inlet. This table shows the airfl ow
performance without a fi lter. To determine airfl ow performance with a fi lter, if a
3/4 inch (19 mm) washable media fi lter is used, assume an additional 0.1 in. WC
available external static pressure.
** The manufacturer default fan settings are based on model, refer to Table 24.
Bosch Thermotechnology Corp. | 04.2019
0.1
0.2
CFM
2195
2158
--
--
40.3
41.0
CFM
2008
1963
--
--
44.1
45.1
CFM
1753
1709
--
--
50.5
51.8
CFM
1447
1388
39.8
41.5
61.2
63.8
CFM
1089
1021
52.8
56.4
--
--
CFM
2283
2239
--
--
38.8
39.5
CFM
2086
2038
--
--
42.4
43.5
CFM
1813
1760
--
--
48.8
50.3
CFM
1487
1417
38.7
40.6
59.5
62.5
CFM
1122
1036
55.6
58.9
--
--
CFM
2290
2253
--
--
46.4
47.2
CFM
2079
2037
--
--
51.1
52.2
CFM
1809
1764
--
--
58.7
60.2
CFM
1489
1429
46.4
48.3
--
--
CFM
1123
1051
61.5
65.7
--
--
External static pressure (in. WC)
0.3
0.4
0.5
0.6
2116
2072
2031
1985
--
--
--
--
41.8
42.7
43.6
44.6
1924
1882
1836
1791
--
--
--
--
46.0
47.0
48.2
49.4
1666
1627
1573
1530
--
35.4
36.6
37.6
53.1
54.4
56.3
57.9
1338
1286
1241
1186
43.0
44.7
46.4
48.5
--
--
--
--
946
883
820
751
60.8
--
--
--
--
--
--
--
2193
2143
2095
2049
--
--
--
--
40.4
41.3
42.3
43.2
1988
1942
1889
1841
--
--
--
--
44.5
45.6
46.9
48.1
1711
1657
1609
1560
--
--
35.8
36.9
51.8
53.4
55.0
56.8
1360
1296
1241
1183
42.3
44.4
46.4
48.7
--
--
--
--
977
889
802
731
64.7
--
--
--
--
--
--
--
2213
2170
2127
2080
--
--
--
--
48.0
49.0
50.0
51.1
1993
1950
1907
1856
--
--
--
--
53.3
54.5
55.7
57.3
1719
1668
1620
1572
40.2
41.4
42.6
43.9
61.8
63.7
65.6
67.6
1373
1311
1265
1208
50.3
52.7
54.6
57.2
--
--
--
--
1352
899
814
741
--
--
--
--
--
--
--
--
Bosch 96% AFUE Gas Furnace | 25
0.7
0.8
0.9
1.0
1940
1896
1852
1862
--
--
--
--
45.6
46.7
47.8
47.5
1744
1697
1648
1603
--
--
--
--
50.8
52.2
53.7
55.2
1487
1444
1395
1347
38.7
39.9
41.3
42.7
59.5
61.3
63.5
65.8
1137
1083
1029
983
50.6
53.2
55.9
58.5
--
--
--
--
685
625
565
520
--
--
--
--
--
--
--
--
1998
1947
1897
1847
--
--
--
--
44.3
45.5
46.7
48.0
1792
1745
1695
1637
--
--
--
--
49.4
50.7
52.3
54.1
1506
1453
1402
1350
38.2
39.6
41.0
42.6
58.8
60.9
63.1
--
1123
1064
1005
941
51.3
54.1
57.2
61.1
--
--
--
--
646
586
532
485
--
--
--
--
--
--
--
--
2031
1985
1937
1888
--
--
--
--
52.3
53.5
54.9
56.3
1813
1767
1726
1675
--
--
40.0
41.2
58.6
60.1
61.6
63.4
1528
1487
1432
1364
45.2
46.5
48.2
50.6
69.6
--
--
--
1137
1083
1032
972
60.7
63.8
66.9
--
--
--
--
--
688
605
551
507
--
--
--
--
--
--
--
--
Data subject to change
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