Standard Features
• Dual-diameter tubular heat exchanger
• Single-stage combination redundant gas valve
• Norton hot surface mini-igniter
• Quiet multi-speed direct-drive circulator blower motor
• Furnace control board with self-diagnostics and lowvoltage
terminal block
• Quiet single-speed, induced-draft blower
• Certain models available with low NOx emissions

Cabinet Features
• Foil-faced insulation lines the heat exchanger
• Factory sealed to achieve 2% or less leakage rate
at 1.0” water gauge external duct static pressure
• Designed for multi-position installation:
GMS8 and GHS8: upflow, horizontal left or right
GDS8: dedicated downflow
• Coil and furnace fit flush for most installations

Up to 80% AFUE Performance
Multi-Position Installation
Single-Stage, Multi-Speed

Outstanding Warranty Protection

If the heat exchanger ever fails in this unit, the original registered owner will receive a new heat exchanger. This furnace also has a 10-Year Parts Limited Warranty on all other functional parts. For a full description of all warranties applicable to this product, please review the consumer brochure or product warranty by clicking on the links above.

This gas furnace has an AFUE rating of 80%, which means that 80 cents of every $1.00 of heating energy expense warms your home.