Comfort-Aire GUH 3 Ton 90,000 BTU Air Handler, 97% Gas Furnace, Modulating

Product Features Furnace is ENERGY STAR Certified: Yes Efficiency (AFUE): 97.0 Can Integrate Hot Water Heating: No Capable of Two Way Communication?: Other/Proprietary ENERGY STAR Certified: Yes CONFIGURATIONS Upflow / Horizontal HEAT EXCHANGER DESIGN 409 stainless steel primary heat exchanger with crimped non-welded construction , AL 29-4c stainless steel secondary heat exchanger BURNERS Aluminized steel in shot burners for smooth fit CABINET DESIGN Compact 33” height Standardized widths for easy coil fit AIR DELIVERY SYSTEM ECM variable speed blower motor Easily removable slide-out blower design CONTROLS Modulating gas valve Works with the conventional 24V T-Stat Self diagnostics saves last 10 fault codes regardless of power interruption VENTING Category 4 direct vent appliance (2 pipe only) INSTALLATION FEATURES Left or right utility connections Zero step horizontal conversion Removable floor base for bottom return air