• Aluminized steel design primary heat exchanger with crimped non welded construction
• AL 29-4C stainless steel secondary heat exchanger, non-welded crimped S-curve primary heat exchanger design for maximum durability
• Aluminized steel in shot burners for smooth ignition, isolated burner enclosure for quiet operation
• Standardized widths for easy coil fit, unitized construction for cabinet integrity
• Heat exchanger compartment is insulated to increase efficiency and reduce sound levels
• Efficient ECM variable speed blower motor
• Motor features soft start and soft stop for quiet operation
• Active and passive dehumidification feature
• Easily removable slide out blower design
• Dynamically balanced blower wheel with resilient motor mounts for smooth and quiet operation
• 2-speed induced draft motor with stainless steel shaft, steel ball bearings and fan cooled for long life
• Direct vent refers to a combustion air supply intake pipe installed in conjunction with flue gas vent pipe
• Integrated ignition and fan control
• System sentry control retains last 5-fault codes with push butTon memory recall, regardless of power interruption
• Hot surface ignition system uses silicon nitride igniter
• Control circuit is fuse protected
• 2-stage thermostat is recommended when installed with 2-stage cooling unit
• Left or right gas and electric entry
• Certified for direct vent (2-pipe) or non-direct (1-pipe) applications
• 10 years limited parts warranty

Armstrong Air Conditioning 67W68