Ruud® R801S Achiever® Series Gas Furnance
R801S- Upflow/Horizontal Series
- 80% A.F.U.E.†
- Input Rates 50-150 kBTU
- †A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with
Department of Energy test procedures.

Warranty
10 Year Parts – 20 Year Heat Exchanger
Models Available:
- R801SA050314M*A – 50,000 BTU/HR
- R801SA075317M*A – 75,000 BTU/HR
- R801SA075417M*A – 75,000 BTU/HR
- R801SA100417M*A – 100,000 BTU/HR
- R801SA100521M*A – 100,000 BTU/HR
- R801SA125524M*A – 125,000 BTU/HR
- R801SA150524M*A – 150,000 BTU/HR
All models are 115V, 60HZ, 1 Ph. Gas connection size for all models is 1/2″ [12 mm] N.P.T.
* S = Standard, X = Low Nox
Model Features/Physical Data & Specifications R801S (UF/HZ) Series
- 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
- 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 Controls board features dip switches for easy system set up
- QR codes for quick access to product information from your smart phone or tablet
**WARNING – THIS FURNACE IS NOT APPROVED OR RECOMMENDED FOR USE IN MOBILE HOMES