ARMSTRONG TECH 91
HIGH EFFICIENCY, UPFLOW
CONDENSING GAS FURNACE

Limited Lifetime Warranty On Heat Exchangers

5 Year Limited Warranty On All Parts

• Compact 44" height
• Durable baked polyester pre-painted steel cabinet
• Door safety switch
• Dual certified, direct vent capable
• No-weld crimped 409 stainless steel S-curve primary heat exchanger
• 29-4C super high grade secondary heat exchanger
• Aluminized steel "in-shot" burners
• Multi-speed, 4 & 5 speed permanently lubricated, PSC direct drive indoor blower motor