Furnace Nomenclature

Furnaces
Brand
J = Oxbox
TM
Brand
Model Family (Nominal Efficiency)
80 = 80% AFUE
90 = 90% AFUE
95 = 95% AFUE
96 = 96% AFUE
Blower Type
P = PSC Motor
E = ECM Motor
X = X13 Constant Torque Motor
V = Variable Speed Motor (Constant CFM)
BTU Input (Nominal Heating Capacity)
BTU/Hour x 1000
Minor Design Sequence/Series - Design Change
Alphabetic Character “A” through “Z”
Orientation
U = Upflow / Horizontal Left / Horizontal Right
D = Downflow
M = Multi-podition
Nominal Cooling Airflow
Tons
V = Variable
NOx Digit
S = Standard
T = 40 Ng/J NOx
L = 14 Ng/J NOx
Major Develpoment Sequence
Primary Design / Form Series
Alphabetic Character “A” through “Z”
Gas Valve Stages
1 = 1 Stage Gas Valve
2 = 2 Stage Gas Valve
M = Modulating Stage Gas Valve
Cabinet Width
A = 14.5”
B = 17.5”
C = 21.0”
D = 24.5”
J 9 5 1 E 0 6 0 B U 3 S A A A