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Fuel
Configuration
Heat Exchanger
Identifier
Flue
Feature
Capacity
Capacity
Capacity
Blower Type
Clg Airflow Cap.
Clg Airflow Cap.
Burner
Oil Furnace Model Nomenclature Example Model Numbers O L 6 F A 0 7 2 D 4 8 B
O L 6 F A 0 7 2 D V 5 B
O L 6 F X 0 7 2 D V 5 R
O L 6 R A 0 7 2 D 4 8 R
O = Oil O
H = Highboy D = Downflow L= Lowboy L
6 = Heat Exchanger Size Identifier 6
F = Front F
R = Rear 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 B