Goodman 80,000 BTU 80% AFUE Two-Stage Gas Furnace Upflow/Horizontal 17.5" Cabinet 4-Ton R-32

The GR9T800804BN offers 80,000 BTU two-stage heating in a 17.5" cabinet with a blower sized specifically for 4-ton cooling systems — the perfect match when your AC or heat pump is a 4-ton unit and you want the added comfort of two-stage heating at an affordable 80% AFUE price.

Key Features:

• 80% AFUE — dependable, affordable heating performance
• 80,000 BTU input — ideal for medium to large homes
• Two-stage gas valve — runs at lower output on mild days, full power when needed
• Upflow / horizontal installation — flexible for basements, closets, and utility rooms
• 9-speed ECM blower motor for quiet, precise airflow
• Heavy-duty aluminized-steel tubular heat exchanger
• Self-diagnosing control board for easy troubleshooting
• LP convertible with optional conversion kit
• Metal flue venting required
• R-32 compatible
• AHRI Certified and ETL Listed

Specs:

• BTU Input: 80,000 | Output: 64,000
• AFUE: 80%
• Cabinet Width: 17.5"
• Stages: Two
• Blower Motor: 9-Speed ECM
• Fuel Type: Natural Gas (LP convertible)
• Installation: Upflow / Horizontal
• Venting: Metal
• Voltage: 115V

Compatibility: Compatible with up to 4 ton R-32 cooling systems.

Warranty: 10-year limited parts + lifetime heat exchanger warranty when registered within 60 days of installation.