EEDU-400AA2AB1AC1AD1AE2AF1AG1AGAAH3 AK1 400MBH INLINE DUCT FURNACE AA2 LP AB1 ORIFICES FOR ELE 0-2000 FEET AC1 ALUMINIZED STEEL HEAT EXCHANGER AD1 ALUMINIZED STEEL BURNER AE2 INSTALLED BURNER AIR SHUTTERS AF1 ALUMINIZED DRIP PAN AG1 1 STAGE VALVE AGA CERTIFIED TO ANSI STD AGA AH3 SPARK IGN INTERMITTENT PILOT AK1 115/1/60 SUPPLY VOLTAGE