Specification Sheet

Rheem Classic
®
Series
Downflow Gas Furnace
FORM NO. G11-547 REV. 1
R801S (Downflow) Series
80% A.F.U.E.†
Input Rates 50-150 kBTU
Air
Gas Furnaces
R801S (DF) Series
A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with
Department of Energy test procedures.
80% residential Gas Furnace CSA certified
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.
Low profile 34" cabinet ideal for space constrained
installations
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

Summary of content (12 pages)