Goodman 80% AFUE 40k BTU Ultra Low NOx Gas Furnace GM9S800403AU


Regular price
Price: $1,568.00
Regular price
List Price: $998.28
Sale price
Price: $1,568.00
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Goodman Ultra Low NOx, Single-Stage Multi-Speed ECM Gas Furnace 80% AFUE

Goodman gas furnaces simply work the way they're supposed to, making each one a thing of beauty.


  • Heavy-duty aluminized-steel tubular heat exchanger
  • "Silicon Nitride igniter"
  • Color-coded low-voltage terminals
  • Multi-speed ECM blower motor with continuous fan speed
  • Fault code LED Output


  • High reliability and quality
  • Durable and long igniter life
  • Provisions for electronic air cleaner and humidifier
  • Energy Efficient and quiet circulation
  • Self-diagnostic control board with constant memory
  • Simple installation and setup
  • Quiet and simple operation

Model: GM9S800403AU