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Oil Furnaces
Oil Furnaces
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AFUE Rating
83 % (1)
84 % (1)
83.3 % (1)
86.2 % (1)
86.4 % (1)
Input Capacity
140000 Btu/hr (2)
91000 Btu/hr (2)
79000 Btu/hr (1)
Motor Type
ECM (5)
Output Capacity
76000 Btu/hr (2)
114000 Btu/hr (1)
119000 Btu/hr (1)
117000 Btu/hr (1)
Side Return Size
14 x 22 in (2)
20-1/2 x 18-1/2 in (2)
20-1/2 x 18-5/8 in (1)
Supply Opening Size
20-1/2 x 20 in (2)
20-1/2 x 19 in (2)
20-1/2 x 18-5/8 in (1)
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Olsen-Airco
Olsen-Airco 31308070 Highboy Oil Fired Furnace, 91000 Btu/hr Input, 76000 Btu/hr Output, 83.3 % AFUE
Part #
390029
MFG #
31308070
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Olsen-Airco
Olsen-Airco 31312070 Highboy Oil Fired Furnace, 140000 Btu/hr Input, 117000 Btu/hr Output, 83 % AFUE
Part #
390303
MFG #
31312070
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Olsen-Airco
Olsen-Airco 32308070 Lowboy Oil Fired Furnace, 91000 Btu/hr Input, 76000 Btu/hr Output, 84 % AFUE
Part #
390032
MFG #
32308070
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Olsen-Airco
Olsen-Airco 32312001 Lowboy Oil Fired Furnace, 140000 Btu/hr Input, 114000 Btu/hr Output, 86.4 % AFUE
Part #
390055
MFG #
32312001
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Olsen-Airco
Olsen-Airco 32312009 Lowboy Oil Fired Furnace, 79000 Btu/hr Input, 119000 Btu/hr Output, 86.2 % AFUE
Part #
390033
MFG #
32312009
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Olsen-Airco
Olsen-Airco 31308070 Highboy Oil Fired Furnace, 91000 Btu/hr Input, 76000 Btu/hr Output, 83.3 % AFUE
Part #
390029
MFG #
31308070
Add to Cart
Compare
Olsen-Airco
Olsen-Airco 31312070 Highboy Oil Fired Furnace, 140000 Btu/hr Input, 117000 Btu/hr Output, 83 % AFUE
Part #
390303
MFG #
31312070
Add to Cart
Compare
Olsen-Airco
Olsen-Airco 32308070 Lowboy Oil Fired Furnace, 91000 Btu/hr Input, 76000 Btu/hr Output, 84 % AFUE
Part #
390032
MFG #
32308070
Add to Cart
Compare
Olsen-Airco
Olsen-Airco 32312001 Lowboy Oil Fired Furnace, 140000 Btu/hr Input, 114000 Btu/hr Output, 86.4 % AFUE
Part #
390055
MFG #
32312001
Add to Cart
Compare
Olsen-Airco
Olsen-Airco 32312009 Lowboy Oil Fired Furnace, 79000 Btu/hr Input, 119000 Btu/hr Output, 86.2 % AFUE
Part #
390033
MFG #
32312009
Add to Cart
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