Ruud® is proud to announce the launch of the new Achiever® Series R801T UF/HZ Single-Stage Constant Torque Ultra Low NOx Furnace.

We were the first to be certified for these strict air quality requirements and we are excited to join the fight for cleaner air!

The new R801T model has emissions below 14ng/J, meeting AQMD standards throughout California.

This Low Emission furnace is available for the Clean Air Furnace Rebate program.



  • Three way multi poise design

  • Constant Torque ECM Motor

  • Ruud-Exclusive PlusOne™ Ignition System

  • Industry-First PlusOne™ Diagnostics

Features & Benefits:

  • 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

  • Constant Torque electrically commutated motor

This furnace does not meet air district requirements of 14 ng/J NOx emissions limit, and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program: This furnace is to be installed for propane firing only in air districts requiring 14 ng/J NOx emission limits. Operating in natural gas mode is in violation of these Rules.

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