Carrier 58DP is a natural-draft, gas-fired furnace designed for downflow indoor heating installations. It features a multispeed direct-drive blower and is wired ready for installation. The furnace has a printed-circuit board control center with an easy-to-read, low-voltage terminal strip to ensure proper connections. It is A.G.A. certified for installation on noncombustible flooring and may be installed on combustible flooring when installed with the accessory floor base. The furnace is not A.G.A. design certified for installation in a mobile home, recreation vehicle, or outdoors.