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Gas Furnaces
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AFUE Rating
97% (1)
80 % (23)
97 % (21)
96 % (22)
95 % (4)
98 % (3)
93 % (1)
Air Flow Type
Downflow (27)
Upflow/Horizontal (50)
Bottom Return Size
20 x 25 x 1 in (2)
16 x 25 x 1 in (1)
Connection Size
1/2 in (51)
Cooling Capacity
2.0 Ton-blower (2)
3.0 Ton Cooling (4)
3.0 Ton-blower (26)
4.0 Ton Cooling (2)
4.0 Ton-blower (7)
5.0 Ton Cooling (4)
5.0 Ton-blower (18)
No Cooling (15)
Dimensions
33 in H x 17-1/2 in W x 27-3/4 in D (4)
33 in H x 17-1/2 in W x 28-1/2 in D (6)
33 in H x 21 in W x 27-2/4 in D (1)
33 in H x 21 in W x 27-3/4 in D (3)
33 in H x 21 in W x 28-1/2 in D (10)
33 in H x 24-1/2 in W x 27-3/4 in D (1)
33 in H x 24-1/2 in W x 28-1/2 in D (1)
Flow Rate
1955 cfm (1)
2008 cfm (5)
2019 cfm (1)
2115 cfm (1)
2140 cfm (1)
2000 cfm (10)
1600 cfm (5)
1200 cfm (5)
2008 scfm (1)
2330 cfm (1)
See All
Furnace Position
Upflow/Horizontal (46)
Downflow (27)
Fuse Size
20 A (22)
15 A (42)
Gas Type
Natural Gas (65)
Heating Capacity
100,000 Btuh (2)
110,000 Btuh (17)
135,000 Btuh (8)
30,000 Btuh (2)
45,000 Btuh (10)
70,000 Btuh (15)
90,000 Btu/hr (1)
90,000 Btuh (23)
Ignition Type
Silicon Nitride (21)
Input Capacity
29000 to 44000 Btu/hr (3)
43000 Btu/hr 1-Stage, 66000 Btu/hr 2-Stage (1)
43000 to 66000 Btu/hr (2)
57000 to 88000 Btu/hr (4)
72000 Btu/hr 1-Stage, 110000 Btu/hr 2-Stage (2)
72000 to 110000 Btu/hr (2)
86000 to 132000 Btu/hr (1)
100000 Btu/hr (2)
88000 Btu/hr (15)
110000 Btu/hr (13)
See All
Low NOX
No (28)
Yes (30)
Material
Stainless Steel (15)
Aluminized Steel (4)
Motor HP
1 hp (19)
1/2 hp (16)
3/4 hp (3)
Motor Type
High Efficiency (1)
PSC Blower (1)
Variable Speed Blower (5)
ECM Variable Speed Blower (17)
High-Efficiency Blower Drive (8)
High Efficiency Constant Torque Blower (12)
Multi-Speed Blower (2)
Multi-Speed High-Efficiency Blower Drive (2)
Variable Speed ECM (4)
Nominal Capacity
3 ton (12)
5 ton (11)
4 ton (7)
Number of Phases
1 (1)
Output Capacity
107200 Btu/hr (1)
108000 Btu/hr (1)
28000 to 43000 Btu/hr (3)
42000 Btu/hr 1-Stage, 64000 Btu/hr 2-Stage (1)
42000 to 64000 Btu/hr (1)
42000 to 65000 Btu/hr (1)
42800 Btu/hr (1)
56000 to 85000 Btu/hr (1)
56000 to 86000 Btu/hr (3)
63900 Btu/hr (1)
See All
Series
A961E (9)
A972E (3)
A972V (12)
Pro Series (3)
Side Return Size
16 x 25 x 1 in (3)
Supply Opening Size
1/2 in (26)
Voltage Rating
115V 1PH 60 Hz (1)
120V 1ph 60 Hz (1)
No Voltage (2)
120 VAC (39)
120 V (35)
Height
33.0 (3)
35.0 (62)
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Armstrong Air®
Armstrong Air® 12F34 A96US2V090C12S Pro Series™ A962V 2-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 88000 Btu/hr Input, 84000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1003536
MFG #
12F34
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Armstrong Air®
Armstrong Air® 12F35 A96US2V090C16S Pro Series™ A962V 2-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 88000 Btu/hr Input, 85000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1003545
MFG #
12F35
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Armstrong Air®
Armstrong Air® 12F39 A96US2V135D20S Pro Series™ A962V 2-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 132000 Btu/hr Input, 126000 Btu/hr Output, 120 V, 96% AFUE, 2008 scfm, Variable Speed ECM Motor
Part #
1003572
MFG #
12F39
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Armstrong Air®
Armstrong Air® 12F42 A96DS2V090C20S Pro Series™ A962V 2-Stage Gas Furnace, Downflow Furnace, Natural Gas, 88000 Btu/hr Input, 85000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1015294
MFG #
12F42
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Armstrong Air®
Armstrong Air® 12F43 A96DS2V110C20S Pro Series™ A962V 2-Stage Gas Furnace, Downflow Furnace, Natural Gas, 110000 Btu/hr Input, 106000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1015300
MFG #
12F43
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Armstrong Air®
Armstrong Air® 13T77 A95UH1E135D20S A951E 1-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 132000 Btu/hr Input, 128000 Btu/hr Output, 120 V, 95% AFUE, 2330 cfm, PSC Blower Motor
Part #
1003749
MFG #
13T77
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Armstrong Air®
Armstrong Air® 14C44 A96UH2E030B08S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 30500 Btu/hr Input, 29000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1015489
MFG #
14C44
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Armstrong Air®
Armstrong Air® 14D35 A96UH2E045B12S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 44000 Btu/hr Input, 42000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1003767
MFG #
14D35
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Armstrong Air®
Armstrong Air® 14D36 A96UH2E070B12S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 66000 Btu/hr Input, 62000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1003776
MFG #
14D36
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Armstrong Air®
Armstrong Air® 14D37 A96UH2E090C16S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 88000 Btu/hr Input, 85000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1003846
MFG #
14D37
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Armstrong Air®
Armstrong Air® 12F34 A96US2V090C12S Pro Series™ A962V 2-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 88000 Btu/hr Input, 84000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1003536
MFG #
12F34
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Armstrong Air®
Armstrong Air® 12F35 A96US2V090C16S Pro Series™ A962V 2-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 88000 Btu/hr Input, 85000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1003545
MFG #
12F35
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Armstrong Air®
Armstrong Air® 12F39 A96US2V135D20S Pro Series™ A962V 2-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 132000 Btu/hr Input, 126000 Btu/hr Output, 120 V, 96% AFUE, 2008 scfm, Variable Speed ECM Motor
Part #
1003572
MFG #
12F39
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Armstrong Air®
Armstrong Air® 12F42 A96DS2V090C20S Pro Series™ A962V 2-Stage Gas Furnace, Downflow Furnace, Natural Gas, 88000 Btu/hr Input, 85000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1015294
MFG #
12F42
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Armstrong Air®
Armstrong Air® 12F43 A96DS2V110C20S Pro Series™ A962V 2-Stage Gas Furnace, Downflow Furnace, Natural Gas, 110000 Btu/hr Input, 106000 Btu/hr Output, 120 V, 96% AFUE, Variable Speed ECM Motor
Part #
1015300
MFG #
12F43
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Armstrong Air®
Armstrong Air® 13T77 A95UH1E135D20S A951E 1-Stage Gas Furnace, Upflow/Horizontal Furnace, Natural Gas, 132000 Btu/hr Input, 128000 Btu/hr Output, 120 V, 95% AFUE, 2330 cfm, PSC Blower Motor
Part #
1003749
MFG #
13T77
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Armstrong Air®
Armstrong Air® 14C44 A96UH2E030B08S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 30500 Btu/hr Input, 29000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1015489
MFG #
14C44
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Armstrong Air®
Armstrong Air® 14D35 A96UH2E045B12S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 44000 Btu/hr Input, 42000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1003767
MFG #
14D35
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Armstrong Air®
Armstrong Air® 14D36 A96UH2E070B12S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 66000 Btu/hr Input, 62000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1003776
MFG #
14D36
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Armstrong Air®
Armstrong Air® 14D37 A96UH2E090C16S A962E 2-Stage Gas Furnace, Upflow/Horizontal, Natural Gas, 88000 Btu/hr Input, 85000 Btu/hr Output, 120 V, 96% AFUE, High-Efficiency Blower Drive Motor
Part #
1003846
MFG #
14D37
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