ii
Model Number Digit 1
2
3 4
5
6
7
8
9
10
11
12
Oil Furnace Model Nomenclature Example Model Numbers O
H
6 F A
0
7 2 D
4 8
B
O
H
6 F A
0
7 2 D
V
4
R
O
H
8 F A
1
1 9 D
6 0
B
6 = Heat Exchanger Size Identifier 6
F = Front F
Heating Capacity MBTUH (000's) with factory installed nozzle 0
7 2
D = Direct Drive D
Clg. Airflow: Example = 48MBTUH = 4 tons @ 400cfm/ton 4 8
Clg. Airflow Variable Speed (ECM) V5 = 5tons V
5
B = Beckett, R = Riello, N = Beckett NX, C = Carlin B
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