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Goodman 1.5 to 3 Ton 40K BTU 80% Gas Furnace GMES800403BN


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 Goodman 40,000 (40k) BTU 80% Multi-Position gas furnace

10 Year Factory Warranty on all parts.

Designed for multi-position installation: upflow, horizontal left or right

For use with 1.5 – 3.0 ton systems



The Goodman® GMES8 80% AFUE Two-Stage (Convertible), Multi-Speed, Multi-Position 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 unit can be installed in a variety of locations.

Standard Features

  • Patented TuffTube™ dual-diameter tubular heat exchanger with lifetime limited warranty plus 10-year furnace replacement limited warranty (with online registration)
  • Two-stage gas valve with revolutionary new Dual$aver control technology that allows installer to turn on two-stage operation with the flip of a dipswitch
  • Silicon Nitride igniter with patented adaptive learning routine for maximum igniter life
  • Energy-saving, quiet four-speed direct-drive circulator blower motor
  • Integrated electronic furnace control board with self-diagnostics, low-voltage terminal block, and separate terminals 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 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 outsidetemperature without outdoor temperature sensor
  • All “X” models comply with California NOx emissions standards


H33 3/8″ x W14″ x D28″

Links to Manufacturer Documents

Specification Sheets
Consumer Brochure

Additional information

Weight 115.0000 lbs
Dimensions 28 × 14 × 33.375 in
System Type

Gas Furnace


1.5 Ton, 2 Ton, 2.5 Ton, 3 Ton



Power Type

Gas Furnace


80% Furnace

Brand Name


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