104PWBRI is the type name of the inverter to replace. And the inverter consists of the inverter circuit board, transformer, and electric parts. Adaptable modules are as follows. NL6448AC33-18ANL6448AC33-18BNL6448AC33-18JNL6448AC33-24NL6448AC33-27NL6448AC33-29. NL6448BC33-31NL6448BC33-31DNL8060AC26-11NL8060BC26-17