The new Nordyne (O’Fallon, MO) O4 Series oil furnaces are available in three configurations: low boy, high boy, and downflow/horizontal. Features include multiple firing rates for a wide range of applications; barometric draft control; and filters. (Filters and racks are built in on O4LD models; they are packaged with O4HD and O4MD units.)
Other features include a 20-ga steel cabinet designed to provide strength and quiet operation; thermosetting powder coat for durability; a Beckett AF Series burner which is prewired, preassembled, and tested; and a heat exchanger design featuring 100%-welded construction and large, accessible cleanout ports.