Description
The Ameristar by American Standard 40,000 BTU 80% AFUE Gas Furnace Upflow/Horizontal Single Stage up to 3 Ton 14" W with R-454B Refrigerant (A801X040AM3SDB) is a reliable residential heating solution designed to provide consistent warmth, efficient operation, and flexible installation options. Featuring an 80% AFUE efficiency rating, this single-stage gas furnace delivers dependable heating performance for residential comfort applications.
Designed for upflow and horizontal installations, the A801X040AM3SDB features a compact 14-inch wide cabinet and supports systems up to 3 tons. This furnace can be paired with compatible air conditioners, heat pumps, and indoor coils to create a complete heating and cooling solution while supporting modern R-454B refrigerant HVAC system configurations.
Key Features
- 40,000 BTU Heating Capacity – Provides reliable heating performance for residential applications
- 80% AFUE Efficiency – Converts approximately 80% of fuel energy into usable heat
- Single-Stage Gas Furnace – Provides consistent and dependable heating output
- Upflow/Horizontal Installation – Supports flexible installation configurations
- 14" Wide Cabinet Design – Compact size for easier residential installation
- R-454B Refrigerant Compatibility – Designed for use with modern HVAC system combinations
- Up to 3 Ton System Compatibility – Suitable for matched residential heating and cooling systems
Product Specifications
- Brand: Ameristar by American Standard
- Model: A801X040AM3SDB
- Product Type: Gas Furnace
- Heating Input Capacity: 40,000 BTU
- Efficiency Rating: 80% AFUE
- Furnace Type: Single Stage Gas Furnace
- Installation Position: Upflow / Horizontal
- Cabinet Width: 14 Inch
- System Compatibility: Up to 3 Ton HVAC Systems
- Refrigerant Compatibility: R-454B Systems
- Application: Residential Heating Systems
Benefits
- Provides dependable heating performance for residential comfort
- Helps maintain consistent indoor temperatures during colder months
- Offers flexible installation options with upflow and horizontal configurations
- Compact cabinet design helps simplify installation in various spaces
- Designed for reliable long-term furnace operation
- Compatible with modern R-454B HVAC system configurations
- Provides an efficient heating solution for replacement and new installations
Compatibility & Installation
The Ameristar A801X040AM3SDB gas furnace is designed for residential heating applications and can be paired with compatible air conditioners, heat pumps, and indoor coils to create a complete HVAC system.
Installation considerations:
- Verify heating capacity meets the home's requirements
- Confirm compatibility with the selected cooling or heat pump system
- Verify gas supply, electrical requirements, and venting specifications
- Ensure proper airflow and ductwork configuration
- Follow manufacturer installation instructions and local building codes
- Installation should be completed by a qualified HVAC professional
Frequently Asked Questions
What is the heating capacity of the Ameristar A801X040AM3SDB?
This furnace provides 40,000 BTU heating input capacity.
What does 80% AFUE mean?
An 80% AFUE rating means the furnace converts approximately 80% of fuel energy into usable heat.
What installation positions does this furnace support?
This model supports upflow and horizontal installation configurations.
What cabinet size does this furnace have?
This model features a 14-inch wide cabinet.
Can this furnace be used with an air conditioner or heat pump?
Yes. It can be paired with compatible HVAC components to create a complete heating and cooling system.
