Model Number Identification—Upflow Models
R
G
P
Rheem
Gas
Upflow/
Horizontal
Furnace
Horizontal
[ ] Designates Metric Conversions
Q
—
07E
Heating Input Designation
Series
Electric
NOx
Ignition
Models
05E
05N
07E
07N
10E
10N
12E
12N
15E
15N
A
Variations
A = Std.
Input
U = 11 x 6
Cabinet
BTU/HR
B = Wide
50,000 [15 kW]
M = 11 x 7
Cabinet
75,000 [22 kW]
100,000 [29 kW]
R = 11 x 10
125,000 [37 kW]
150,000 [44 kW]
Model Number Identification
Air
RGPQ Series
M
E
Blower
Heating & Cooling
Designation
Designation
E = 1100-1300 CFM
[279 x 152 mm]
[519-614 L/s]
J = 1900-2100 CFM
[279 x 178 mm]
[897-991 L/s]
G = 1500-1700 CFM
[279 x 254 mm]
[708-802 L/s]
R
Fuel Type
R = Natural Gas,
U.S. and
Canadian
Standard
Furnace