5 Ton Gas Furnace, Two Stage Upflow/Horizontal, Variable Speed, 135,000 BTU

Armstrong Air A802V – 132,000 BTU 80% AFUE Two-Stage Gas Furnace with Variable Speed Blower

The Armstrong Air A802V gas furnace offers dependable performance for residential heating applications requiring up to 132,000 BTU/hr input capacity. This two-stage furnace is built with a variable speed ECM blower motor and features flexible upflow/horizontal orientation, making it suitable for a wide range of installation configurations. With an 80% AFUE rating, the A802V meets standard efficiency requirements while delivering enhanced comfort and airflow control.

Key Product Features

• Two-Stage Gas Valve: Operates at low or high capacity depending on heating demand, improving temperature consistency and reducing system cycling.
• Variable Speed ECM Blower: Provides precise airflow adjustment and quieter operation, increasing comfort while optimizing energy use.
• Communicating System Ready: Compatible with Armstrong Air's Comfort Sync® technology for enhanced diagnostics and performance monitoring.
• Cabinet Design: 33" height for easier installation in tight spaces, with rigid steel construction and insulation for reduced noise and heat loss.
• Convertible Configuration: Factory-configured for upflow or horizontal left/right installations, supporting various duct layouts.

Technical Specifications

• Model: A802V
• Input: 132,000 BTU/hr
• Output: 105,000 BTU/hr
• AFUE: 80%
• Blower Motor: 1 HP Variable Speed ECM
• Electrical: 120V / 60 Hz / 1 Phase
• Dimensions: 33" H x 24.5" W x 28.375" D

Installation Considerations

This furnace requires proper gas line sizing, venting design, and thermostat compatibility for optimal performance. A licensed HVAC technician should complete the installation to ensure compliance with applicable codes and manufacturer specifications. The variable speed motor may require system commissioning to ensure correct airflow settings for the connected ductwork and cooling equipment.

Professional and Site Use

For Contractors: The A802V supports standard-efficiency projects requiring enhanced comfort control and operational reliability. Two-stage heating and variable airflow help meet the comfort expectations of residential clients while providing a dependable solution in retrofit or new construction applications.

For Experienced Installers: This unit is compatible with matched Armstrong Air cooling systems and thermostats. Proper configuration and commissioning will ensure system longevity and occupant comfort across heating seasons.