The Goodman GDT is a discontinued single stage, multi-speed induced draft downflow gas furnace designed for closets, alcoves, utility rooms, basements and attics. The unit was designed for heating or a combination heating/cooling application. Models of the GDT had input rates from 45,000 to 115,000 BTU/hr. with an 80.0% AFUE. It featured a multi-speed direct drive blower motor, a sound isolated blower assembly to reduce noise, and a blower compartment door safety switch. The tubular heat exchanger was constructed of aluminized steel, with aluminized steel inshot burners. The insulated cabinet was constructed of heavy gauge steel with a baked enamel finish.
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