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2-Stage Gas-Fired Furnaces
Up to 80% AFUE
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58CTA
| Size |
Rated Heating
Input (Btuh)*
Upflow/Downflow-Horizontal |
Rated Heating
Output (Btuh)*
Upflow/Downflow-Horizontal |
AFUE* % |
Selectable Cooling
CFM @ 0.5 ESP Max./Min.† |
Vent
Dia
(in.) |
Casing
Width
(in.) |
Approx
Ship
Weight
(lbs) |
| High Stage |
Low Stage |
High Stage |
Low Stage |
| 045–1-08 |
44,000 |
29,000 |
35,000 |
23,000 |
80.0 |
845/555 |
4 |
14 3/16 |
116 |
| 045–1-12 |
44,000 |
29,000 |
36,000 |
23,000 |
80.0 |
1175/745 |
4 |
14 3/16 |
119 |
| 070–1-08 |
66,000 |
43,500 |
54,000 |
36,000 |
80.0 |
900/550 |
4 |
14 3/16 |
120 |
| 070–1-12 |
66,000 |
43,500 |
54,000 |
36,000 |
80.0 |
1240/670 |
4 |
14 3/16 |
124 |
| 070–1-16 |
66,000 |
43,500 |
tba |
tba |
80.0 |
tba |
4 |
17 1/2 |
138 |
| 090–1-14 |
88,000 |
58,000 |
71,000 |
47,000 |
80.0 |
1385/1065 |
4 |
17 1/2 |
136 |
| 090–1-16 |
88,000 |
58,000 |
71,000 |
47,000 |
80.0 |
1720/940 |
4 |
21 |
151 |
| 090–1-20 |
88,000 |
58,000 |
tba |
tba |
80.0 |
tba |
4 |
21 |
156 |
| 110–1-12 |
110,000 |
72,500 |
89,000 |
59,000 |
80.0 |
1355/1065 |
4 |
17 1/2 |
144 |
| 110–1-16 |
110,000 |
72,500 |
89,000 |
59,000 |
80.0 |
1695/935 |
4 |
21 |
158 |
| 110–1-22 |
110,000 |
72,500 |
89,000 |
59,000 |
80.0 |
2220/1200 |
4 |
21 |
163 |
| 135–1-16 |
132,000 |
87,000 |
107,000 |
70,000 |
80.0 |
1710/1210 |
5‡ |
21 |
163 |
| 135–1-22 |
132,000 |
87,000 |
107,000 |
70,000 |
80.0 |
2110/1530 |
5‡ |
24 1/2 |
174 |
| 155–1-20 |
154,000 |
101,500 |
124,000 |
82,000 |
80.0 |
2230/1495 |
5‡ |
24 1/2 |
181 |
* Capacity and ratings in accordance with U.S. Government DOE test procedures with isolated combustion system.
De-rate heating input in high fire (only ) for downflow and horizontal applications by 1,000 Btuh per burner.
† Listed CFM is for single-speed cooling.
‡ 4-inch vent connection in all funaces.
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