Goodman GMH Series Gas Furnace - 80% AFUE - 80K BTU - 2 Stage - Upflow/Horizontal - C Cabinet

Product Highlights

The Goodman® brand GMH Series Gas Furnaces offer energy efficiencies and operating sound levels that are among the best in the heating and cooling industry. Quality
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Item #: 51652A

Mfg #: GMH80805CN

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Product Highlights

The Goodman® brand GMH Gas Furnaces offer energy efficiencies and operating sound levels that are among the best in the heating and cooling industry. Quality manufacturing as well as easy installation and maintenance make this unit one of the best values on the market.

Standard Features
  • Dual-diameter tubular heat exchanger
  • Two-stage gas valve convertible technology allows installer to activate the two-stage valve with the flip of a dipswitch
  • 110V Silicon Nitride igniter designed for long igniter life
  • Furnace control board with self-diagnostics, colorcoded low-voltage terminals, and provisions for electronic air cleaner and 24-volt humidifiers
  • 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 allows homeowner to activate the low heat speed to efficiently circulate air throughout the home
  • Self-adjusting feature automatically adjusts to high- or low-stage operation based on outside temperature without an outdoor temperature sensor
  • Dual-certified for sealed combustion direct vent (2-pipe) or non-direct vent (1-pipe) applications
  • All models comply with California NOx emissions standards
Cabinet Features
  • Fully insulated, heavy-gauge steel cabinet with durable baked-enamel finish
  • Foil-faced insulation lines the heat exchanger
  • Designed for multi-position installation
  • Easy-to-install top venting is standard; alternate flue/vent located on the right
  • Airtight solid bottom for side-return applications and easy-cut tabs for effortless removal in bottom air inlet applications
  • Convenient left or right connection for gas and electric service
  • Coil and furnace fit flush for most installations
Warranty See Warranty Certificate For Complete Details
  • Parts: 10 Year Limited
  • Heat Exchanger: Lifetime Limited
  • Unit Replacement: 10 Year Limited

California residents: see Proposition 65 Warning

Weight136.75 Pounds
Length28.50 Inches
Width21.00 Inches
Height33.50 Inches
Country of OriginUSA
Equipment TypeFurnace
Air FlowMulti-Position
BTU Input90000
BTU Output72000
Voltage115 VAC
Full Load Amps7.9
Cycle/Hertz50/60 Hz
Circuit Breaker - Min Amps10
Circuit Breaker - Max Amps15
Minimum Circuit Amps8.8
Maximum Fuse Size15
Blower Motor TypePSC
Blower Motor HP1/2 HP
Blower Motor RPM1075
Blower Motor Speeds4
Includes Filter RackNo
Ignition TypeSilicon Nitride
Motor HP1/2 HP
Motor TypePSC
Blower Wheel10" x 10"
CertificationsAHRI, ISO 9001:2008
Draft Inducer Speeds1
Fuel TypeNatural Gas
Gas ConnectionNPT
Thermal Efficiency80%
Warranty OfferedYes
Energy Star RatedNo
ETL ListedYes
UL ListedNo
Heating StagesTwo Stage
Product FamilyGMH8
Cabinet Width21
Package Quantity1
Heat Exchanger TypeGas

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