Rheem Furnace R801T

Rheem R801T Endeavor™ Line Classic® Series Furnace


Rheem® Endeavor™ Line Classic® Series

The Rheem Endeavor Line Classic Series R801T Gas Furnace delivers reliable comfort and exceptional value. You’ll enjoy lower energy bills and more peace of mind thanks to its efficient performance and excellent reliability.

Innovation You Can Count On

Patented industry-first features and 360+1 design make the Rheem Endeavor R801T a smart choice.

Peace-Of-Mind Performance

Peace-Of-Mind Performance

Relax, you’re covered by one of the best warranties in the industry - 10 Year Conditional Parts + a 20 Year Heat Exchanger warranty.

Efficient Comfort

Efficient Comfort

Constant torque ECM motor technology delivers the heated airflow to meet your requested warmth requirement.

360 Logo

We Thought of Everything… & Then Some

We evaluate every detail of a product from top to bottom, inside and out and every angle in between. That’s 360+1. And that’s why you can count on this Furnace to bring you and your family years of efficient and dependable comfort.



From the smallest part to complete comfort systems, we build quality into everything we make so we can be sure it’s tough enough to deliver the ultimate performance you can count on day after day, year after year. That reliability is what makes Rheem different—and better.

Industry first innovation. Downflow furnace model shown


Input Rate: 50-125 kBTU
Configuration: Upflow / Horizontal Downflow
Heating Stages: Single-Stage
Motor Type: Constant Torque
Sound Ranking: Quiet


  • PlusOne® Diagnostics - Industry-first, 7-Segment LED for quick & easy service
  • PlusOne Ignition System - Direct Spark Ignition (DSI) for reliability & longevity

Limited Warranty:

  • Conditional Parts - 10 Years (registration required)
  • Heat Exchanger - 20 Years
Rheem Logo

Nearly 100 Years of Innovation

As the only brand bringing innovative air and water solutions to homes and businesses around the world, Rheem continues to deliver advanced comfort, savings and experiences to our customers-just as we’ve done for nearly 100 years.