This Avantco 44712190553 drain tray heater is a direct replacement for the part that came with your Avantco AP-23F reach-in freezer. Use it to replace a worn or broken part to keep your unit operating efficiently. This drain tray heater works with your unit's other components to help remove condensation and prevent strain on the unit's operation. This drain tray heater is compatible with Avantco AP-23F reach-in freezers.