The Goodman GMS8/GDS8 multi-position gas furnaces features a patented aluminized steel tubular heat exchanger and high-efficiency hot surface ignition system. These furnaces are run-tested for heating or combination heating/cooling applications. With a heavy-gauge, reinforced, wrap-around insulated steel cabinet and durable baked enamel finish, these gas heaters can be installed in a utility room, closet, alcove, basement or attic. (Not intended for use in mobile homes.)

Important Safety Notice

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).
• Corrosion-resistant, aluminized-steel furnace tubular heat exchanger
• Designed for multi-position installation - Goodman GMS8 furnace: upflow, horizontal right or left; Goodman GDS8 furnace: dedicated downflow
• Energy-saving, reliable furnace hot surface ignition system with patented adaptive learning algorithm to maximize igniter life
• Aluminized furnace steel inshot burners
• Energy-saving PSC, multi-speed, direct drive furnace blower motor
• Heater has quiet, corrosion-resistant induced draft blower assembly
• Integrated furnace control with diagnostics
• Low voltage terminal blocks
• Multiple flame roll-out switches, blower door safety switch, outlet air-limit switch and pressure switch for proof of combustion air
• 40VA transformer for heating and air conditioning control service
• Combination redundant furnace gas valve and regulator
• A rotating combustion air blower (Goodman GMS8) that provides the option of venting the furnace through the top, right-hand side or left-hand side
• Completely assembled, factory run-tested furnace for heating or combination heating/cooling application
• Specific Goodman furnace models comply with California NOx Standards (models that end in "X") 
• Heavy-gauge, reinforced, fully insulated steel cabinet with durable baked-enamel finish
• Attractive architectural gray paint finish
• Foil-face insulation lines the furnaces' heat exchanger compartment
• Coil and furnace fit flush for easy installation
• Convenient left or right connection for gas and electric service
• Bottom or side air inlet (Goodman GMS8)
• This gas furnace has removable, solid-bottom block off