RunTru A801X Furnace

Item No. A801X
When winter puts a chill in the air, RunTru gas furnaces really turn on the heat, streaming warmth through your entire home. You can rest assured you won’t find this level of quality construction, reliability and efficiency at the same price point.
  • 80% AFUE
  • 2-5 Ton models available
  • Constant torque (ECM) motor
  • Select models compliant with California 40ng/J Low-NOx requirements


  • 34" cabinet height
  • Up to 80% AFUE (Annual Fuel Utilization Efficiency)—how much of your gas is turned into energy
  • Capacity up to 5 tons
  • 26,000-120,000 BTU/h- a measure of your furnace's maximum heating power
  • Multiple venting options offered in each poise for installation flexibility in your home
  • Galvanized steel cabinet for durability

Product Specs

A801X 80% AFUE Multi-Position Furnaces

Model CA Low NOx Model Number Input BTU/h Nominal Airflow (Tons) Dimensions (in)
A801X026AM2SAB A801X026AM2TAB 26,000 2 34 14.5 28.75
A801X040AM3SAB A801X040AM3TAB 40,000 2-3 34 14.5 28.75
A801X040BM2SAB A801X040BM2TAB 40,000 2 34 17.5 28.75
A801X060BM3SAB A801X060BM3TAB 60,000 3 34 17.5 28.75
A801X060BM4SAB A801X060BM4TAB 60,000 4 34 17.5 28.75
A801X080BM4SAB A801X080BM4TAB 80,000 3-4 34 17.5 28.75
A801X080CM5SAB A801X080CM5TAB 80,000 4-5 34 21 28.75
A801X100CM5SAB A801X100CM5TAB 100,000 4-5 34 21 28.75
A801X120DM5SAB A801X120DM5TAB 120,000 5 34 24.5 28.75

AFUEstands for Annual Fuel Utilization Efficiency, which measures a furnace's heating efficiency. The higher the AFUE, the less energy you'll use to maintain pleasant temperatures.

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RunTru Installation

Installed by a Preferred RunTru Dealer
  • Systems are installed by trained service technicians who know your equipment best.
  • Trained service technicians will also ensure that the installation confirms to local, state and national building codes.
Peace of Mind
  • Prior to installation, your RunTru service technician will perform a thorough evaluation of your home to ensure the perfect system fit.
  • After installation, your service technician will walk you through the features and functions of your new system, and answer any questions you might have.

Warranty Information

Relax. RunTru is backed by a Warranty you can trust.
  • RunTru offers coverage and peace of mind where it counts- with the hardest-working components of the system covered for the long haul.
Limited Parts Warranty
  • Equipment: Base Limited Warranty Period: 5 years Functional parts
  • If you do not register your RunTru system, it will be covered by our Base Limited Parts Warranty.
Registered Limited Parts Warranty
  • Equipment: Registered Limited Warranty Period: Functional Parts - 10 years; Heat Exchanger - 20 years
  • Cased Coils: 10 year Functional Parts Warranty, no registration required
  • Registered Limited Warranty terms are applicable if the products are registered within 60 days of installation.