Trane A801X040AM3TC Gas Furnace 40000 Btu/h Single Stage 80 Percent Afue 14.5 Inch Cabinet

Product Description

The Trane A801X040AM3TC is a single-stage, 80 percent AFUE induced-draft gas furnace with a nominal heating input of 40,000 BTU/h. It is designed for residential forced-air heating systems and features a 14.5-inch cabinet width suited for installations where space is limited. The A801X040AM3TC uses an induced-draft combustion design and delivers consistent, single-stage heat output. Licensed HVAC technicians install this unit as a primary heating source in ducted residential systems, pairing it with a matching air handler or coil cabinet for complete system operation.

This furnace is intended for residential applications where a compact, upflow or horizontal configuration is required. The 14.5-inch cabinet width makes it a practical choice for closet, alcove, and attic installations with tight clearance constraints. It is compatible with standard low-voltage thermostat controls and conventional duct systems. Installers working on new construction or replacement projects will find the compact footprint useful when retrofitting into existing framing or mechanical closets.

Key Features

• 40,000 BTU/h nominal heating input for residential light-load applications
• 80 percent AFUE induced-draft combustion for standard-efficiency gas heating
• Single-stage heating operation for straightforward thermostat integration
• 14.5-inch cabinet width supports installations with limited horizontal clearance
• Multi-speed blower motor accommodates heating and cooling airflow configurations

Compatibility

Designed as an OEM-style replacement or new-installation furnace for residential gas forced-air heating systems requiring an 80 percent AFUE single-stage induced-draft unit in a 14.5-inch cabinet configuration.

Installation Notes

Installation must be performed by a licensed HVAC technician in accordance with local mechanical codes and the International Fuel Gas Code (IFGC). Shut off gas supply and disconnect electrical power at the breaker before beginning any work. Venting must be configured for 80 percent induced-draft appliances using approved flue pipe materials and proper pitch per the manufacturer instructions. Do not attempt to field-modify the heat exchanger, inducer assembly, or gas valve.

Technical Specifications

• Heating Input: 40,000 BTU/h
• AFUE: 80 percent
• Heating Stages: Single Stage
• Cabinet Width: 14.5 inches
• Combustion Design: Induced Draft

Standard Information

• Brand: Trane
• Manufacturer Part Number: A801X040AM3TC