Product Data - HVAC

S HYBRID HEATr Dual Fuel System compatible S All models are chimney friendly when used with ... Burners (Monoport) 2 2 3 3 3 4 4 Gas Connection Size 1/2-in. NPT GAS CONTROLS Gas Valve (Redundant) Mfr. White-Rodgers ... Refer to National Fuel Gas Code NFPA 54/ANSI Z223.1---2012 Table F.4 or furnace installation instructions.