Use this Avantco 17812875 evaporator coil as a direct replacement for the original part that came with your unit. It is a vital part of your unit's refrigeration system, working with the other components to help your unit dissipate heat and keep the cabinet set to the right temperature. A broken or malfunctioning coil can prevent your unit from maintaining specifications and cause strain on other components, so be sure to replace it promptly. It is compatible with GDC-23-HC merchandiser refrigerators.