Specification Sheet
Rheem Classic
®
Series
Upflow/Horizontal Gas Furnace
FORM NO. G11-543 REV. 2
R801P- Upflow/Horizontal Series
80% A.F.U.E.†
Input Rates 50-150 kBTU
Air
Gas Furnaces
R801P (UF/HZ) Series
✝A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with
Department of Energy test procedures.
• 80% residential Gas Furnace CSA certified
• 3 way multi poise design UF / HZ
• PlusOne
™
Diagnostics — 7 Segment LED all units
• PlusOne
™
Ignition System – DSI for reliability and longevity
• Heat exchanger is removable for improved serviceability.
Aluminized steel construction provides maximum corrosion
resistance and thermal fatigue reliability.
• Solid doors provide quiet operation
• Solid bottom
• Insulated blower compartment
• Low profile 34" cabinet ideal for space constrained
installations
• Blower shelf design – serviceable in all furnace orientations
• Hemmed edges on cabinets and doors
• 1/4 turn door knobs for tool less access
• Integrated Control board features dip switches for easy
system set up
• QR code for quick access to product information from your
smart phone or tablet