详情

Residential *-Stage or Single stage Natural Gas Furnace. Multi speeds, Convenient left or right connection for gas and electric service. Desined for multi-position installation: upflow, horizontal left or right. Fully insulated, heavy-guage steel cabinet with durable baked-enamel finish. Silicon Nitride igniter. Patented TuffTube(tm) dual-diameter tublar heat exchanger. Self adjusting feature automatically adjusts furnace to high or low stage based on outside temperature without outdoor temperature sensor. **-year parts warranty Model# above is *0, **0 BTU inquire about other models from *5, **0 to **0, **0 Btu. MADE IN USA