Rheem Classic Plus Series: 80% AFUE Downflow (R801T) Series

Classic Plus Series: 80% AFUE Downflow (R801T)

  • 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
  • Constant Torque electrically commutated motor

  • Single-stage
  • Rheem-Exclusive PlusOne™ Ignition System
  • Industry-First PlusOne™ Diagnostics


R801T (Downflow)
Consumer Literature
Contractor Color literature
Sales Fact Sheet
Specification Sheet
Submittal Sheet
Tax Credit Form


Conditional Parts Warranty - 10 Years (Registration Required)
Heat Exchanger - 20 years