Carrier 58DRC is a counterflow gas-fired furnace designed for installation on combustible flooring, in alcoves, basements, closets, or utility rooms. It features a printed-circuit board control center with an easy-to-read, low-voltage terminal strip to ensure proper connections. The furnace has a multispeed direct-drive blower and is A.G.A certified for installation on combustible flooring (with optional floor base). It is not A.G.A. certified for installation in a mobile home, recreation vehicle, or outdoors.