The Gibson KG7SC is a discontinued gas furnace with an efficiency of over 92% AFUE. It was designed for upflow/horizontal installations, with a low boy height designed for low clearance applications. A heavy gauge aluminized tubular heat exchanger improved durability and heat transfer, and a 30-second blower delay at start-up provided warm duct temperature at start-up, with a 30-second post purge which increased the life of the heat exchanger. An integrated control board provided connections for an electronic air cleaner and humidifier, with diagnostics lights to provide fault codes for easy troubleshooting. The KG7SC could be vented horizontally or vertically with either a one- or two-pipe system.
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