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Goodman GDH80804BN
80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$666.99
Compare to:$874.99
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This is a Downflow unit.

The Goodman® GDH8 80% AFUE Two-Stage (Convertible), Multi-Speed, Dedicated Downflow (blows air into ducts located below it) Gas Furnace features a patented aluminized-steel tubular heat exchanger and durable Silicon Nitride Hot Surface Ignition system. This furnace is run-tested for heating or combination heating/cooling applications. With a heavy-gauge, reinforced, insulated steel cabinet and durable baked enamel finish, this gas heater can be installed in a variety of locations.

Please read this Important Safety Notice

Standard Furnace Features

  • Operates as a natural gas furnace out of the box, and can be easily converted to a propane furnace with optional propane conversion kit (see Accessories tab).
  • Goodman Patented TuffTube™ dual-diameter tubular furnace heat exchanger with lifetime limited warranty plus 10-year furnace replacement limited warranty (with online registration)
  • Furnaces' two-stage gas valve with revolutionary new Dual$aver control technology allows installer to turn on two-stage operation with the flip of a dipswitch
  • Silicon Nitride furnace igniter with patented adaptive learning routine for maximum igniter life Energy-saving, quiet four-speed direct-drive circulator blower motor means less furnace maintenance
  • Integrated electronic furnace control board with self-diagnostics, low-voltage terminal block, and separate terminals for electronic air cleaner and 24-volt humidifiers
  • Goodman furnace control board stores the last five diagnostic codes in memory; simple push-button activation outputs the fault history to a flashing red LED
  • Low constant fan mode allows the homeowner to activate the lowest available heating speed to circulate air quietly and efficiently throughout the home during the off cycle
  • Self-adjusting feature automatically adjusts furnace to high or low stage based on outside temperature without outdoor temperature sensor
  • Quiet single-speed, induced-draft blower 



Cabinet Features

  • Fully insulated, heavy-gauge furnace steel cabinet with durable baked-enamel finish
  • Heater's foil-faced insulation lines the heat exchanger compartment
  • Gas furnace is designed for multi-position installation: upflow, horizontal left or right
  • Removable bottom for side- or bottom-return applications
  • Convenient left or right connection for furnaces' gas and electric service
  • Coil and furnace fit flush for most installations

Configuration
Downflow  

Blower Cooling Capacity
2.5 / 3 / 3.5 / 4 Tons 

Maximum Input BTU
80000 BTU 

Maximum Heating Output BTU
64000 BTU 

Minimum Input BTU
60000 BTU 

Minimum Output BTU
48000 BTU 

Maximum CFM
1824 @ 0.5 

Efficiency (% AFUE)
80 % 

Blower Type
Multi-Speed  

Burner Stages
Two  

Maximum Overcurrent Protection (Breaker)
15 Amps 

Fuel Type
Liquid Propane Convertible / Natural Gas  

Vent Connection
4 Inches 

Product Weight
153 lbs 

Meets CSA Standards
Yes  

Meets Canadian OEE Standards
No  

California Approved
No  

Width
17 1/2 Inches 

Depth
28 Inches 

Height
33 3/8 Inches 

Voltage
120 Volts 

Frequency
60 Hz 

Voltage Phase
1  

Heat Exchanger Warranty
Lifetime  

Parts Warranty
10 Years 
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Chicago, IL 60614
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