Goodman GMH80604BN Gas Furnace, Two-Stage Burner/Multi-Speed Blower, Upflow/Horizontal 80% AFUE, 2.5-4 Ton - 60,000 BTU

The Goodman GMH80604BN is a multispeed gas furnace. It uses a dualdiameter tubular heat exchanger. It is housed in a fullyinsulated heavygauge steel cabinet with a durable bakedenamel finish and additional foilfaced insulation lining the heat exchanger compartment itself. The fourspeed directdrive circulating blower motor of this unit works quietly to adjust to changing temperature demands.This Goodman gas furnace is a twostage, multispeed, multiposition heater. This gas furnace uses a selfadjusting feature that changes furnace to high or lowstage modes based on outside temperatures. It uses a durable 110V Silicon Nitride igniter to maintain a comfortable temperature in the home. This Goodman gas furnace has a heating capacity of 60,000 BTU.This heater comes from the GMH8 line of Goodman gas furnaces. This collection of Goodman gas furnaces has up to 80 AFUE (annual fuel utilization efficiency) rating. Many standard furnaces feature 60 AFUE, which means that this system can contribute to significant energy savings.This multiposition Goodman gas heater offers many installation options. It can be installed in upflow or horizontal left or right positions. This model features a low constant fan to improve the efficiency of air circulation in the home and a selfdiagnosing control board that saves the last five diagnostic codes in memory.

• Patented TuffTube™ dual-diameter tubular heat exchanger 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 elec