Ideal for new or replacement residential or commercial installations. The TM8E series 80% efficiency gas furnaces have a 33 in. tall cabinet， and are designed for installation in up flow， downflow， and horizontal applications. These single stage furnaces are natural gas ready and convertible to propane (LP Gas) with the optional LP347 conversion kit. All units are classified for Category I venting and may be common vented with another gas appliance as allowed by the National Fuel Gas Code. Features an electronic hot surface igniter for increased safety and efficiency， and adjustable speed maintenance free direct drive blower that never needs lubrication， and self-diagnostic control module to monitor operation. The furnaces are factory assembled， wired and tested to assure safe dependable and economic installation and operation. note: Requires 1/2 in. input to gas valve， dedicated circuit breaker， and 120-Volt wiring with proper polarity and ground. The unit comes with a standard residential warranty of 5-years limited parts and 20-years limited heat exchanger warranty， and a 10-year heat exchanger warranty on commercial applications. When registered online within 90-days， the residential warranty is extended to 10-years limited parts and lifetime limited heat exchanger warranty. Dimensions: 33 in. H x 17.5 in. W x 29.5 in. D.

Natural gas ready and may be converted to propane gas with the optional conversions kit， model LP347

Multi-positional design with compact cabinet height of 33 in. for flexible installation

Electronic hot surface ignition for increased efficiency and safety

Maintenance-free， 5 speed， permanently lubricated direct-drive ECM blower motor offers lower power usage and improved A/C seer ratings

Built-in， high level self-diagnostics with fault code displays standard on integrated control module for reliable operation and simplified troubleshooting

Hi-tech tubular aluminized steel primary heat exchanger for efficient heat transfer

Equipment should be sized， selected and installed by a qualified professional to ensure proper installation， safe operation， adherence to federal， state and local codes and for valid warranty; see installation guide for more details

Professional installation recommended