The Coleman DGAH is a discontinued multi-speed gas furnace with an efficiency rating of 80% AFUE. It was a downflow furnace designed for use in manufactured and mobile housing. It used natural gas and could be easily converted to LP gas during installation without requiring extra parts. The unit featured an aluminized steel heat exchanger which provided efficient operation while resisting corrosion. Two air filters were installed on the top door where they could be easily checked and replaced, and the unit's cabinet featured a durable scratch-resistant finish.
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