When you consider a ROYALTON® gas furnace, quality and value are a given. You’re getting peace of mind with great features and a smart design at an affordable price. The 80G1E series furnace is ideal for new or replacement residential or commercial installations. These 80% efficient single stage natural gas ready furnaces have a 33 in. tall cabinet, are available in upflow/horizontal models, and downflow models. The optional model 11K50 conversion kit is available for those needing to convert from natural gas to propane (LP gas). Features include an electronic hot surface igniter for increased safety and efficiency, maintenance free multi-speed high efficiency constant torque ECM blower motor, and self-diagnostic control module to monitor operation and simplify troubleshooting. The heat exchanger is constructed of tubular aluminized steel with crimped non-welded construction. Units 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. Not certified for mobile home use.