Filter
Top Products
ii
Model Number Digit
1
2
3
4
5
6
7
8
9
10
11
12
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
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
5
R
O = Oil
O
H = Highboy D = Downflow
H
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, N = Beckett NX
B