Super tune up perfomed today on an Amana duel fuel system. All electrical connections are tight with no corrosion. Gas pressure, igniter and burners are all working as they should. ECM blower motor is acceptable. Blower wheel and evaporator coil are clean. Compressor and condenser fan motor are acceptable. Refrigerant levels are in range. Reversing valve and defrost control board are working as they should boutdoor unit was washed and waxed.