SC400 400 MBH SEPARATED COMBUSTION DUCT FURNACE NAT GAS CONTAINS: AA1 NAT GAS AB1 BURNER ORIFICES FOR 0-2000' AC1 ALUMINIZED HX AD1 ALUMINIZED STEEL BURNER AE2 FACTORY BURNER AIR SHUTTERS AF1 ALUMINIZED STEEL DRIP PAN AG1 SINGLE STAGE GAS VALVE AGA US CERTIFIED TO ANSI STD AGA AH2 SPARK IGNITION INTERM PILOT AJ1 LEFT SIDE CONTROL LOCATION AK1 115/1/60 SUPPLY VOLTAGE BW1 AIR FLOW PROOVING SWITCH

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