This Avantco 19386337 condenser coil is a direct replacement for the one that came with your Avantco air curtain merchandiser. The condenser coil is a vital part of your equipment's refrigeration system, working with the condenser fan and motor to cool down the refrigerant and help your unit dissipate heat. It's compatible with Avantco HAC-28W and HAC-28B air curtain merchandisers.