20-Year Heat Exchanger Warranty
All Other Parts 5 Years
Gas Efficiency: 80%
WeatherKing Series Down-Flo Value-Line 80% Gas Furnaces
The Corsaire Series 80% Down-Flo is a value-alternative which enjoys the benefits of high-efficiency at
Rheem manufactures the most comprehensive, feature-loaded furnace line-up in the
heating industry. At the top of this furnace line-up is the Rheem Prestige Series
90 Plus Modulating Gas Furnace with Contour Comfort Control- North America's first truly modulating gas furnace.