Trane A951X080BU4SA Single Stage Condensing Gas Furnace 80000 Btu/h 95% Afue Upflow Horizontal

Product Description

The Trane A951X080BU4SA is a single-stage, condensing natural gas furnace rated at 80,000 BTU/h with 95% AFUE efficiency. Built under the RunTru by Trane product line, this unit is designed for residential forced-air heating systems installed in upflow or horizontal left/right configurations. It features a 409 stainless steel heat exchanger and an integrated furnace control board with a 7-segment LED display for diagnostics. A multi-speed blower motor with a 11-inch by 8-inch blower wheel delivers consistent airflow across heating stages. Licensed HVAC technicians perform installation and startup for this equipment class.

This furnace is suited for residential applications where upflow or convertible horizontal installation is required. The cabinet width of 17.5 inches fits standard alcove, closet, and utility room installations. The unit accepts natural gas or propane fuel and holds ENERGY STAR certification, making it appropriate for efficiency-program-qualifying residential projects. The direct-vent condensing design allows flexible venting through the wall or roof using approved PVC venting materials, which broadens its placement options in new construction and retrofit jobs.

Key Features

• 80,000 BTU/h heating capacity with 95% AFUE single-stage operation
• 409 stainless steel heat exchanger for corrosion resistance and durability
• Upflow and convertible horizontal left/right installation configurations
• Integrated furnace control with 7-segment LED diagnostic display
• Multi-speed blower with 11-inch by 8-inch blower wheel
• ENERGY STAR certified for natural gas and propane fuel types

Compatibility

Designed as an OEM-style residential condensing gas furnace in the RunTru A951X series. ENERGY STAR listing covers all regions. Fuel compatibility includes natural gas and propane gas. The superseding model number on record is A951X080BU4SAB.

Installation Notes

Installation must be performed by a licensed HVAC technician in accordance with local mechanical codes and the manufacturer installer's guide. Shut off gas supply and disconnect electrical power at the breaker before beginning any service or installation work. Low-voltage thermostat wiring connections and line-voltage connections must be made per the wiring diagram on the unit. Condensate drain lines must be properly trapped and routed to an approved drain to prevent freezing or backflow issues.

Technical Specifications

• Heating Capacity: 80,000 BTU/h
• AFUE Efficiency: 95%
• Fuel Type: Natural Gas, Propane Gas
• Amperage Rating: 15 amps
• Cabinet Width: 17.5 inches
• Cabinet Depth: 28.75 inches
• Unit Weight: 127 pounds
• Blower Size: 11 inches diameter x 8 inches wide
• Heat Exchanger Material: 409 Stainless Steel
• Installation Configuration: Upflow, Convertible to Horizontal Right or Horizontal Left
• Certifications: ENERGY STAR

Standard Information

• Brand: Trane
• Manufacturer Part Number: A951X080BU4SA