This Avantco 44901115501 compressor is a direct replacement for the one that came with your Avantco blast chiller. 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 compressor can prevent your unit from maintaining specifications and cause strain on other components, so be sure to replace it promptly. It's compatible with Avantco SF series blast chillers.