The Carrier 58WAV is a discontinued variable-speed gas-fired furnace with an efficiency of 80.0% AFUE. The patented Super-S 4-pass stainless steel heat exchanger provided improved heat transfer, and a hot surface silicon carbide ignition system increased reliability and efficiency. The control board monitored furnace operations and functions and included a self-test feature and an LED status indicator light. The one-piece, seamless prepainted steel cabinet had a galvanized steel substrate to provide rust and corrosion resistance. The 58WAV was for use with natural gas but could be converted to propane with a factory-authorized conversion kit.
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