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Fuel
Configuration
Heat Exchange
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Identifier
Flue
Feature
Capacity
Capacity
Capacity
Blower Type
Clg Airflow Cap.
Clg Airflow Cap.
Burner
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
O H 8 F A 1 1 9 D
V
5R
O = Oil O
H = Highboy D = Downflow H
6 = Heat Exchanger Size Identifier 6
F = Front F
R = Rea
r
R
A = Single Stage A
X = 2-Stage X
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 B