Rheem Classic®Series Highboy/Horizontal
Low Profile Oil Furnaces with
PSC/Direct Drive Motor
FORM NO. O11-619
Air
Oil Furnaces
ROCB Series
• Available with Front and Rear Flue (ROCB07204M) or with
Front Flue Only (ROCB07204P)
• Highboy, Horizontal, Left or Right Discharge
• Low Profile 44-1/2"
• Efficiencies up to 86.5%
• 3 Firing rates
• 2-4 Tons A/C
• 2 Large Accessible Clean Out Posts
• 3 Pass Heat Exchanger
• Can be installed with Beckett AFG, Carlin E2 or Riello F3 and
BF3 Burners
• Quick Disconnects on Burner Harness
• Control Board works with PSC and ECM
• Limited Lifetime Warranty
• This unit can be direct vented with the Riello BF3 Burner.
Direct vent kits available
ROCB- Series
Input Ratio from
70 to 105 kBTU
[20.51 to 30.8 kW]
ENER UIDE
Annual Fuel Utilization Efficiency -
AFUE
THIS MODEL
92.0%
MID
HIGH
97%78%
82% 88%
Air
Table of Contents
ROCB Series
2
TABLE OF CONTENTS
Standard Equipment ......................................................................................3
Specifications and Dimensions ........................................................................4
Model Number Identification ............................................................................5
Blower Performance Data ................................................................................6
Limited Warranty ............................................................................................7
Air
Standard Equipment
ROCB Series
3
WARNING
THIS FURNACE IS NOT APPROVED
OR RECOMMENDED
FOR USE IN MOBILE HOMES
STANDARD EQUIPMENT
The Rheem Classic®Furnace is fully assembled and offers the
option of 4 separate burner in a box combinations. The newly
designed heat exchanger is a 3-pass European design for
optimal efficiency. The unit is offered with a 3-speed direct drive
motor or an ECM motor. The Rheem Classic
®
offers the NRGmax
9103 operating board which is utilized on either the PSC or ECM
furnace. For servicing, the Rheem Classic
®
has 2 - 6" x 8" clean
out ports to access the flue passages in the heat exchanger. The
unit is shipped with the RC barometric control and an external
filter rack.